/**
 * @licstart The following is the entire license notice for the
 * Javascript code in this page
 *
 * Copyright 2018 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * Javascript code in this page
 */
//定义全局变量   去接受页码对应编码值
var page_cache = [];



/******/ (function(modules) { // webpackBootstrap
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  /******/ 	var installedModules = {};
  /******/
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    /******/
    /******/ 		// Check if module is in cache
    /******/ 		if(installedModules[moduleId]) {
      /******/ 			return installedModules[moduleId].exports;
      /******/ 		}
    /******/ 		// Create a new module (and put it into the cache)
    /******/ 		var module = installedModules[moduleId] = {
      /******/ 			i: moduleId,
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      /******/ 			exports: {}
      /******/ 		};
    /******/
    /******/ 		// Execute the module function
    /******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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    /******/ 		// Flag the module as loaded
    /******/ 		module.l = true;
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  /******/ 	__webpack_require__.r = function(exports) {
    /******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
      /******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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    /******/ 		Object.defineProperty(exports, '__esModule', { value: true });
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  /******/ 	// mode & 2: merge all properties of value into the ns
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  /******/ 	__webpack_require__.t = function(value, mode) {
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    /******/ 		if(mode & 8) return value;
    /******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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        /******/ 			function getDefault() { return module['default']; } :
        /******/ 			function getModuleExports() { return module; };
    /******/ 		__webpack_require__.d(getter, 'a', getter);
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    /************************************************************************/
    /******/ ([
      /* 0 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";
        ;
        var pdfjsWebApp = void 0,
            pdfjsWebAppOptions = void 0;
        {
          pdfjsWebApp = __webpack_require__(1);
          pdfjsWebAppOptions = __webpack_require__(12);
        }
        ;
        {
          __webpack_require__(38);
        }
        ;
        {
          __webpack_require__(43);
        }

        function getViewerConfiguration() {
          return {
            appContainer: document.body,
            mainContainer: document.getElementById('viewerContainer'),
            viewerContainer: document.getElementById('viewer'),
            eventBus: null,
            toolbar: {
              container: document.getElementById('toolbarViewer'),
              numPages: document.getElementById('numPages'),
              pageNumber: document.getElementById('pageNumber'),
              scaleSelectContainer: document.getElementById('scaleSelectContainer'),
              scaleSelect: document.getElementById('scaleSelect'),
              customScaleOption: document.getElementById('customScaleOption'),
              previous: document.getElementById('previous'),
              next: document.getElementById('next'),
              zoomIn: document.getElementById('zoomIn'),
              zoomOut: document.getElementById('zoomOut'),
              viewFind: document.getElementById('viewFind'),
              openFile: document.getElementById('openFile'),
              print: document.getElementById('print'),
              presentationModeButton: document.getElementById('presentationMode'),
              download: document.getElementById('download'),
              viewBookmark: document.getElementById('viewBookmark')
            },
            secondaryToolbar: {
              toolbar: document.getElementById('secondaryToolbar'),
              toggleButton: document.getElementById('secondaryToolbarToggle'),
              toolbarButtonContainer: document.getElementById('secondaryToolbarButtonContainer'),
              presentationModeButton: document.getElementById('secondaryPresentationMode'),
              openFileButton: document.getElementById('secondaryOpenFile'),
              printButton: document.getElementById('secondaryPrint'),
              downloadButton: document.getElementById('secondaryDownload'),
              viewBookmarkButton: document.getElementById('secondaryViewBookmark'),
              firstPageButton: document.getElementById('firstPage'),
              lastPageButton: document.getElementById('lastPage'),
              pageRotateCwButton: document.getElementById('pageRotateCw'),
              pageRotateCcwButton: document.getElementById('pageRotateCcw'),
              cursorSelectToolButton: document.getElementById('cursorSelectTool'),
              cursorHandToolButton: document.getElementById('cursorHandTool'),
              scrollVerticalButton: document.getElementById('scrollVertical'),
              scrollHorizontalButton: document.getElementById('scrollHorizontal'),
              scrollWrappedButton: document.getElementById('scrollWrapped'),
              spreadNoneButton: document.getElementById('spreadNone'),
              spreadOddButton: document.getElementById('spreadOdd'),
              spreadEvenButton: document.getElementById('spreadEven'),
              documentPropertiesButton: document.getElementById('documentProperties')
            },
            fullscreen: {
              contextFirstPage: document.getElementById('contextFirstPage'),
              contextLastPage: document.getElementById('contextLastPage'),
              contextPageRotateCw: document.getElementById('contextPageRotateCw'),
              contextPageRotateCcw: document.getElementById('contextPageRotateCcw')
            },
            sidebar: {
              outerContainer: document.getElementById('outerContainer'),
              viewerContainer: document.getElementById('viewerContainer'),
              toggleButton: document.getElementById('sidebarToggle'),
              thumbnailButton: document.getElementById('viewThumbnail'),
              outlineButton: document.getElementById('viewOutline'),
              attachmentsButton: document.getElementById('viewAttachments'),
              thumbnailView: document.getElementById('thumbnailView'),
              outlineView: document.getElementById('outlineView'),
              attachmentsView: document.getElementById('attachmentsView')
            },
            sidebarResizer: {
              outerContainer: document.getElementById('outerContainer'),
              resizer: document.getElementById('sidebarResizer')
            },
            findBar: {
              bar: document.getElementById('findbar'),
              toggleButton: document.getElementById('viewFind'),
              findField: document.getElementById('findInput'),
              highlightAllCheckbox: document.getElementById('findHighlightAll'),
              caseSensitiveCheckbox: document.getElementById('findMatchCase'),
              entireWordCheckbox: document.getElementById('findEntireWord'),
              findMsg: document.getElementById('findMsg'),
              findResultsCount: document.getElementById('findResultsCount'),
              findPreviousButton: document.getElementById('findPrevious'),
              findNextButton: document.getElementById('findNext')
            },
            passwordOverlay: {
              overlayName: 'passwordOverlay',
              container: document.getElementById('passwordOverlay'),
              label: document.getElementById('passwordText'),
              input: document.getElementById('password'),
              submitButton: document.getElementById('passwordSubmit'),
              cancelButton: document.getElementById('passwordCancel')
            },
            documentProperties: {
              overlayName: 'documentPropertiesOverlay',
              container: document.getElementById('documentPropertiesOverlay'),
              closeButton: document.getElementById('documentPropertiesClose'),
              fields: {
                'fileName': document.getElementById('fileNameField'),
                'fileSize': document.getElementById('fileSizeField'),
                'title': document.getElementById('titleField'),
                'author': document.getElementById('authorField'),
                'subject': document.getElementById('subjectField'),
                'keywords': document.getElementById('keywordsField'),
                'creationDate': document.getElementById('creationDateField'),
                'modificationDate': document.getElementById('modificationDateField'),
                'creator': document.getElementById('creatorField'),
                'producer': document.getElementById('producerField'),
                'version': document.getElementById('versionField'),
                'pageCount': document.getElementById('pageCountField'),
                'pageSize': document.getElementById('pageSizeField'),
                'linearized': document.getElementById('linearizedField')
              }
            },
            errorWrapper: {
              container: document.getElementById('errorWrapper'),
              errorMessage: document.getElementById('errorMessage'),
              closeButton: document.getElementById('errorClose'),
              errorMoreInfo: document.getElementById('errorMoreInfo'),
              moreInfoButton: document.getElementById('errorShowMore'),
              lessInfoButton: document.getElementById('errorShowLess')
            },
            printContainer: document.getElementById('printContainer'),
            openFileInputName: 'fileInput',
            debuggerScriptPath: './debugger.js'
          };
        }
        function webViewerLoad() {
          var config = getViewerConfiguration();
          window.PDFViewerApplication = pdfjsWebApp.PDFViewerApplication;
          window.PDFViewerApplicationOptions = pdfjsWebAppOptions.AppOptions;
          pdfjsWebApp.PDFViewerApplication.run(config);
        }
        if (document.readyState === 'interactive' || document.readyState === 'complete') {
          webViewerLoad();
        } else {
          document.addEventListener('DOMContentLoaded', webViewerLoad, true);
        }

        /***/ }),
      /* 1 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFPrintServiceFactory = exports.DefaultExternalServices = exports.PDFViewerApplication = undefined;

        var _regenerator = __webpack_require__(2);

        var _regenerator2 = _interopRequireDefault(_regenerator);

        var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

        var _ui_utils = __webpack_require__(6);

        var _pdfjsLib = __webpack_require__(7);

        var _pdf_cursor_tools = __webpack_require__(8);

        var _pdf_rendering_queue = __webpack_require__(10);

        var _pdf_sidebar = __webpack_require__(11);

        var _app_options = __webpack_require__(12);

        var _dom_events = __webpack_require__(14);

        var _overlay_manager = __webpack_require__(15);

        var _password_prompt = __webpack_require__(16);

        var _pdf_attachment_viewer = __webpack_require__(17);

        var _pdf_document_properties = __webpack_require__(18);

        var _pdf_find_bar = __webpack_require__(19);

        var _pdf_find_controller = __webpack_require__(20);

        var _pdf_history = __webpack_require__(22);

        var _pdf_link_service = __webpack_require__(23);

        var _pdf_outline_viewer = __webpack_require__(24);

        var _pdf_presentation_mode = __webpack_require__(25);

        var _pdf_sidebar_resizer = __webpack_require__(26);

        var _pdf_thumbnail_viewer = __webpack_require__(27);

        var _pdf_viewer = __webpack_require__(29);

        var _secondary_toolbar = __webpack_require__(34);

        var _toolbar = __webpack_require__(36);

        var _view_history = __webpack_require__(37);

        function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

        function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

        var DEFAULT_SCALE_DELTA = 1.1;
        var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
        var FORCE_PAGES_LOADED_TIMEOUT = 10000;
        var DefaultExternalServices = {
          updateFindControlState: function updateFindControlState(data) {},
          updateFindMatchesCount: function updateFindMatchesCount(data) {},
          initPassiveLoading: function initPassiveLoading(callbacks) {},
          fallback: function fallback(data, callback) {},
          reportTelemetry: function reportTelemetry(data) {},
          createDownloadManager: function createDownloadManager(options) {
            throw new Error('Not implemented: createDownloadManager');
          },
          createPreferences: function createPreferences() {
            throw new Error('Not implemented: createPreferences');
          },
          createL10n: function createL10n(options) {
            throw new Error('Not implemented: createL10n');
          },

          supportsIntegratedFind: false,
          supportsDocumentFonts: true,
          supportsDocumentColors: true,
          supportedMouseWheelZoomModifierKeys: {
            ctrlKey: true,
            metaKey: true
          }
        };
        var PDFViewerApplication = {
          initialBookmark: document.location.hash.substring(1),
          initialized: false,
          fellback: false,
          appConfig: null,
          pdfDocument: null,
          pdfLoadingTask: null,
          printService: null,
          pdfViewer: null,
          pdfThumbnailViewer: null,
          pdfRenderingQueue: null,
          pdfPresentationMode: null,
          pdfDocumentProperties: null,
          pdfLinkService: null,
          pdfHistory: null,
          pdfSidebar: null,
          pdfSidebarResizer: null,
          pdfOutlineViewer: null,
          pdfAttachmentViewer: null,
          pdfCursorTools: null,
          store: null,
          downloadManager: null,
          overlayManager: null,
          preferences: null,
          toolbar: null,
          secondaryToolbar: null,
          eventBus: null,
          l10n: null,
          isInitialViewSet: false,
          downloadComplete: false,
          isViewerEmbedded: window.parent !== window,
          url: '',
          baseUrl: '',
          externalServices: DefaultExternalServices,
          _boundEvents: {},
          contentDispositionFilename: null,
          initialize: function () {
            var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee(appConfig) {
              var _this = this;

              var appContainer;
              return _regenerator2.default.wrap(function _callee$(_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      this.preferences = this.externalServices.createPreferences();
                      this.appConfig = appConfig;
                      _context.next = 4;
                      return this._readPreferences();

                    case 4:
                      _context.next = 6;
                      return this._parseHashParameters();

                    case 6:
                      _context.next = 8;
                      return this._initializeL10n();

                    case 8:
                      if (this.isViewerEmbedded && _app_options.AppOptions.get('externalLinkTarget') === _pdfjsLib.LinkTarget.NONE) {
                        _app_options.AppOptions.set('externalLinkTarget', _pdfjsLib.LinkTarget.TOP);
                      }
                      _context.next = 11;
                      return this._initializeViewerComponents();

                    case 11:
                      this.bindEvents();
                      this.bindWindowEvents();
                      appContainer = appConfig.appContainer || document.documentElement;

                      this.l10n.translate(appContainer).then(function () {
                        _this.eventBus.dispatch('localized', { source: _this });
                      });
                      this.initialized = true;

                    case 16:
                    case 'end':
                      return _context.stop();
                  }
                }
              }, _callee, this);
            }));

            function initialize(_x) {
              return _ref.apply(this, arguments);
            }

            return initialize;
          }(),
          _readPreferences: function () {
            var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() {
              var OVERRIDES, prefs, name;
              return _regenerator2.default.wrap(function _callee2$(_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                      OVERRIDES = {
                        disableFontFace: true,
                        disableRange: true,
                        disableStream: true,
                        textLayerMode: _ui_utils.TextLayerMode.DISABLE
                      };
                      _context2.prev = 1;
                      _context2.next = 4;
                      return this.preferences.getAll();

                    case 4:
                      prefs = _context2.sent;
                      _context2.t0 = _regenerator2.default.keys(prefs);

                    case 6:
                      if ((_context2.t1 = _context2.t0()).done) {
                        _context2.next = 13;
                        break;
                      }

                      name = _context2.t1.value;

                      if (!(name in OVERRIDES && _app_options.AppOptions.get(name) === OVERRIDES[name])) {
                        _context2.next = 10;
                        break;
                      }

                      return _context2.abrupt('continue', 6);

                    case 10:
                      _app_options.AppOptions.set(name, prefs[name]);
                      _context2.next = 6;
                      break;

                    case 13:
                      _context2.next = 17;
                      break;

                    case 15:
                      _context2.prev = 15;
                      _context2.t2 = _context2['catch'](1);

                    case 17:
                    case 'end':
                      return _context2.stop();
                  }
                }
              }, _callee2, this, [[1, 15]]);
            }));

            function _readPreferences() {
              return _ref2.apply(this, arguments);
            }

            return _readPreferences;
          }(),
          _parseHashParameters: function () {
            var _ref3 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee3() {
              var waitOn, hash, hashParams, viewer, enabled;
              return _regenerator2.default.wrap(function _callee3$(_context3) {
                while (1) {
                  switch (_context3.prev = _context3.next) {
                    case 0:
                      if (_app_options.AppOptions.get('pdfBugEnabled')) {
                        _context3.next = 2;
                        break;
                      }

                      return _context3.abrupt('return');

                    case 2:
                      waitOn = [];
                      hash = document.location.hash.substring(1);
                      hashParams = (0, _ui_utils.parseQueryString)(hash);

                      if ('disableworker' in hashParams && hashParams['disableworker'] === 'true') {
                        waitOn.push(loadFakeWorker());
                      }
                      if ('disablerange' in hashParams) {
                        _app_options.AppOptions.set('disableRange', hashParams['disablerange'] === 'true');
                      }
                      if ('disablestream' in hashParams) {
                        _app_options.AppOptions.set('disableStream', hashParams['disablestream'] === 'true');
                      }
                      if ('disableautofetch' in hashParams) {
                        _app_options.AppOptions.set('disableAutoFetch', hashParams['disableautofetch'] === 'true');
                      }
                      if ('disablefontface' in hashParams) {
                        _app_options.AppOptions.set('disableFontFace', hashParams['disablefontface'] === 'true');
                      }
                      if ('disablehistory' in hashParams) {
                        _app_options.AppOptions.set('disableHistory', hashParams['disablehistory'] === 'true');
                      }
                      if ('webgl' in hashParams) {
                        _app_options.AppOptions.set('enableWebGL', hashParams['webgl'] === 'true');
                      }
                      if ('useonlycsszoom' in hashParams) {
                        _app_options.AppOptions.set('useOnlyCssZoom', hashParams['useonlycsszoom'] === 'true');
                      }
                      if ('verbosity' in hashParams) {
                        _app_options.AppOptions.set('verbosity', hashParams['verbosity'] | 0);
                      }

                      if (!('textlayer' in hashParams)) {
                        _context3.next = 23;
                        break;
                      }

                      _context3.t0 = hashParams['textlayer'];
                      _context3.next = _context3.t0 === 'off' ? 18 : _context3.t0 === 'visible' ? 20 : _context3.t0 === 'shadow' ? 20 : _context3.t0 === 'hover' ? 20 : 23;
                      break;

                    case 18:
                      _app_options.AppOptions.set('textLayerMode', _ui_utils.TextLayerMode.DISABLE);
                      return _context3.abrupt('break', 23);

                    case 20:
                      viewer = this.appConfig.viewerContainer;

                      viewer.classList.add('textLayer-' + hashParams['textlayer']);
                      return _context3.abrupt('break', 23);

                    case 23:
                      if ('pdfbug' in hashParams) {
                        _app_options.AppOptions.set('pdfBug', true);
                        enabled = hashParams['pdfbug'].split(',');

                        waitOn.push(loadAndEnablePDFBug(enabled));
                      }
                      if ('locale' in hashParams) {
                        _app_options.AppOptions.set('locale', hashParams['locale']);
                      }
                      return _context3.abrupt('return', Promise.all(waitOn).catch(function (reason) {
                        console.error('_parseHashParameters: "' + reason.message + '".');
                      }));

                    case 26:
                    case 'end':
                      return _context3.stop();
                  }
                }
              }, _callee3, this);
            }));

            function _parseHashParameters() {
              return _ref3.apply(this, arguments);
            }

            return _parseHashParameters;
          }(),
          _initializeL10n: function () {
            var _ref4 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee4() {
              var dir;
              return _regenerator2.default.wrap(function _callee4$(_context4) {
                while (1) {
                  switch (_context4.prev = _context4.next) {
                    case 0:
                      this.l10n = this.externalServices.createL10n({ locale: _app_options.AppOptions.get('locale') });
                      _context4.next = 3;
                      return this.l10n.getDirection();

                    case 3:
                      dir = _context4.sent;

                      document.getElementsByTagName('html')[0].dir = dir;

                    case 5:
                    case 'end':
                      return _context4.stop();
                  }
                }
              }, _callee4, this);
            }));

            function _initializeL10n() {
              return _ref4.apply(this, arguments);
            }

            return _initializeL10n;
          }(),
          _initializeViewerComponents: function () {
            var _ref5 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee5() {
              var appConfig, dispatchToDOM, eventBus, pdfRenderingQueue, pdfLinkService, downloadManager, findController, container, viewer, thumbnailContainer, sidebarConfig;
              return _regenerator2.default.wrap(function _callee5$(_context5) {
                while (1) {
                  switch (_context5.prev = _context5.next) {
                    case 0:
                      appConfig = this.appConfig;

                      this.overlayManager = new _overlay_manager.OverlayManager();
                      dispatchToDOM = _app_options.AppOptions.get('eventBusDispatchToDOM');
                      eventBus = appConfig.eventBus || (0, _dom_events.getGlobalEventBus)(dispatchToDOM);

                      this.eventBus = eventBus;
                      pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();

                      pdfRenderingQueue.onIdle = this.cleanup.bind(this);
                      this.pdfRenderingQueue = pdfRenderingQueue;
                      pdfLinkService = new _pdf_link_service.PDFLinkService({
                        eventBus: eventBus,
                        externalLinkTarget: _app_options.AppOptions.get('externalLinkTarget'),
                        externalLinkRel: _app_options.AppOptions.get('externalLinkRel')
                      });

                      this.pdfLinkService = pdfLinkService;
                      downloadManager = this.externalServices.createDownloadManager({ disableCreateObjectURL: _app_options.AppOptions.get('disableCreateObjectURL') });

                      this.downloadManager = downloadManager;
                      findController = new _pdf_find_controller.PDFFindController({
                        linkService: pdfLinkService,
                        eventBus: eventBus
                      });

                      this.findController = findController;
                      container = appConfig.mainContainer;
                      viewer = appConfig.viewerContainer;

                      this.pdfViewer = new _pdf_viewer.PDFViewer({
                        container: container,
                        viewer: viewer,
                        eventBus: eventBus,
                        renderingQueue: pdfRenderingQueue,
                        linkService: pdfLinkService,
                        downloadManager: downloadManager,
                        findController: findController,
                        renderer: _app_options.AppOptions.get('renderer'),
                        enableWebGL: _app_options.AppOptions.get('enableWebGL'),
                        l10n: this.l10n,
                        textLayerMode: _app_options.AppOptions.get('textLayerMode'),
                        imageResourcesPath: _app_options.AppOptions.get('imageResourcesPath'),
                        renderInteractiveForms: _app_options.AppOptions.get('renderInteractiveForms'),
                        enablePrintAutoRotate: _app_options.AppOptions.get('enablePrintAutoRotate'),
                        useOnlyCssZoom: _app_options.AppOptions.get('useOnlyCssZoom'),
                        maxCanvasPixels: _app_options.AppOptions.get('maxCanvasPixels')
                      });
                      pdfRenderingQueue.setViewer(this.pdfViewer);
                      pdfLinkService.setViewer(this.pdfViewer);
                      thumbnailContainer = appConfig.sidebar.thumbnailView;

                      this.pdfThumbnailViewer = new _pdf_thumbnail_viewer.PDFThumbnailViewer({
                        container: thumbnailContainer,
                        renderingQueue: pdfRenderingQueue,
                        linkService: pdfLinkService,
                        l10n: this.l10n
                      });
                      pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
                      this.pdfHistory = new _pdf_history.PDFHistory({
                        linkService: pdfLinkService,
                        eventBus: eventBus
                      });
                      pdfLinkService.setHistory(this.pdfHistory);
                      this.findBar = new _pdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, this.l10n);
                      this.pdfDocumentProperties = new _pdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, this.l10n);
                      this.pdfCursorTools = new _pdf_cursor_tools.PDFCursorTools({
                        container: container,
                        eventBus: eventBus,
                        cursorToolOnLoad: _app_options.AppOptions.get('cursorToolOnLoad')
                      });
                      this.toolbar = new _toolbar.Toolbar(appConfig.toolbar, eventBus, this.l10n);
                      this.secondaryToolbar = new _secondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
                      if (this.supportsFullscreen) {
                        this.pdfPresentationMode = new _pdf_presentation_mode.PDFPresentationMode({
                          container: container,
                          viewer: viewer,
                          pdfViewer: this.pdfViewer,
                          eventBus: eventBus,
                          contextMenuItems: appConfig.fullscreen
                        });
                      }
                      this.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.l10n);
                      this.pdfOutlineViewer = new _pdf_outline_viewer.PDFOutlineViewer({
                        container: appConfig.sidebar.outlineView,
                        eventBus: eventBus,
                        linkService: pdfLinkService
                      });
                      this.pdfAttachmentViewer = new _pdf_attachment_viewer.PDFAttachmentViewer({
                        container: appConfig.sidebar.attachmentsView,
                        eventBus: eventBus,
                        downloadManager: downloadManager
                      });
                      sidebarConfig = Object.create(appConfig.sidebar);

                      sidebarConfig.pdfViewer = this.pdfViewer;
                      sidebarConfig.pdfThumbnailViewer = this.pdfThumbnailViewer;
                      this.pdfSidebar = new _pdf_sidebar.PDFSidebar(sidebarConfig, eventBus, this.l10n);
                      this.pdfSidebar.onToggled = this.forceRendering.bind(this);
                      this.pdfSidebarResizer = new _pdf_sidebar_resizer.PDFSidebarResizer(appConfig.sidebarResizer, eventBus, this.l10n);

                    case 39:
                    case 'end':
                      return _context5.stop();
                  }
                }
              }, _callee5, this);
            }));

            function _initializeViewerComponents() {
              return _ref5.apply(this, arguments);
            }

            return _initializeViewerComponents;
          }(),
          run: function run(config) {
            this.initialize(config).then(webViewerInitialized);
          },
          zoomIn: function zoomIn(ticks) {
            var newScale = this.pdfViewer.currentScale;
            do {
              newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
              newScale = Math.ceil(newScale * 10) / 10;
              newScale = Math.min(_ui_utils.MAX_SCALE, newScale);
            } while (--ticks > 0 && newScale < _ui_utils.MAX_SCALE);
            this.pdfViewer.currentScaleValue = newScale;
          },
          zoomOut: function zoomOut(ticks) {
            var newScale = this.pdfViewer.currentScale;
            do {
              newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
              newScale = Math.floor(newScale * 10) / 10;
              newScale = Math.max(_ui_utils.MIN_SCALE, newScale);
            } while (--ticks > 0 && newScale > _ui_utils.MIN_SCALE);
            this.pdfViewer.currentScaleValue = newScale;
          },

          get pagesCount() {
            return this.pdfDocument ? this.pdfDocument.numPages : 0;
          },
          set page(val) {
            this.pdfViewer.currentPageNumber = val;
          },
          get page() {
            return this.pdfViewer.currentPageNumber;
          },
          get printing() {
            return !!this.printService;
          },
          get supportsPrinting() {
            return PDFPrintServiceFactory.instance.supportsPrinting;
          },
          get supportsFullscreen() {
            var support = void 0;
            var doc = document.documentElement;
            support = !!(doc.requestFullscreen || doc.mozRequestFullScreen || doc.webkitRequestFullScreen || doc.msRequestFullscreen);
            if (document.fullscreenEnabled === false || document.mozFullScreenEnabled === false || document.webkitFullscreenEnabled === false || document.msFullscreenEnabled === false) {
              support = false;
            }
            return (0, _pdfjsLib.shadow)(this, 'supportsFullscreen', support);
          },
          get supportsIntegratedFind() {
            return this.externalServices.supportsIntegratedFind;
          },
          get supportsDocumentFonts() {
            return this.externalServices.supportsDocumentFonts;
          },
          get supportsDocumentColors() {
            return this.externalServices.supportsDocumentColors;
          },
          get loadingBar() {
            var bar = new _ui_utils.ProgressBar('#loadingBar');
            return (0, _pdfjsLib.shadow)(this, 'loadingBar', bar);
          },
          get supportedMouseWheelZoomModifierKeys() {
            return this.externalServices.supportedMouseWheelZoomModifierKeys;
          },
          initPassiveLoading: function initPassiveLoading() {
            throw new Error('Not implemented: initPassiveLoading');
          },
          setTitleUsingUrl: function setTitleUsingUrl() {
            var url = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';

            this.url = url;
            this.baseUrl = url.split('#')[0];
            var title = (0, _ui_utils.getPDFFileNameFromURL)(url, '');
            if (!title) {
              try {
                title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url;
              } catch (ex) {
                title = url;
              }
            }
            this.setTitle(title);
          },
          setTitle: function setTitle(title) {
            if (this.isViewerEmbedded) {
              return;
            }
            document.title = title;
          },
          close: function () {
            var _ref6 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee6() {
              var errorWrapper, promise;
              return _regenerator2.default.wrap(function _callee6$(_context6) {
                while (1) {
                  switch (_context6.prev = _context6.next) {
                    case 0:
                      errorWrapper = this.appConfig.errorWrapper.container;

                      errorWrapper.setAttribute('hidden', 'true');

                      if (this.pdfLoadingTask) {
                        _context6.next = 4;
                        break;
                      }

                      return _context6.abrupt('return');

                    case 4:
                      promise = this.pdfLoadingTask.destroy();

                      this.pdfLoadingTask = null;
                      if (this.pdfDocument) {
                        this.pdfDocument = null;
                        this.pdfThumbnailViewer.setDocument(null);
                        this.pdfViewer.setDocument(null);
                        this.pdfLinkService.setDocument(null);
                        this.pdfDocumentProperties.setDocument(null);
                      }
                      this.store = null;
                      this.isInitialViewSet = false;
                      this.downloadComplete = false;
                      this.url = '';
                      this.baseUrl = '';
                      this.contentDispositionFilename = null;
                      this.pdfSidebar.reset();
                      this.pdfOutlineViewer.reset();
                      this.pdfAttachmentViewer.reset();
                      this.findBar.reset();
                      this.toolbar.reset();
                      this.secondaryToolbar.reset();
                      if (typeof PDFBug !== 'undefined') {
                        PDFBug.cleanup();
                      }
                      return _context6.abrupt('return', promise);

                    case 21:
                    case 'end':
                      return _context6.stop();
                  }
                }
              }, _callee6, this);
            }));

            function close() {
              return _ref6.apply(this, arguments);
            }

            return close;
          }(),
          open: function () {
            var _ref7 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee7(file, args) {
              var _this2 = this;

              var workerParameters, key, parameters, apiParameters, _key, prop, loadingTask;

              return _regenerator2.default.wrap(function _callee7$(_context7) {
                while (1) {
                  switch (_context7.prev = _context7.next) {
                    case 0:
                      if (!this.pdfLoadingTask) {
                        _context7.next = 3;
                        break;
                      }

                      _context7.next = 3;
                      return this.close();

                    case 3:
                      workerParameters = _app_options.AppOptions.getAll('worker');

                      for (key in workerParameters) {
                        _pdfjsLib.GlobalWorkerOptions[key] = workerParameters[key];
                      }
                      parameters = Object.create(null);

                      if (typeof file === 'string') {
                        this.setTitleUsingUrl(file);
                        parameters.url = file;
                      } else if (file && 'byteLength' in file) {
                        parameters.data = file;
                      } else if (file.url && file.originalUrl) {
                        this.setTitleUsingUrl(file.originalUrl);
                        parameters.url = file.url;
                      }
                      apiParameters = _app_options.AppOptions.getAll('api');

                      for (_key in apiParameters) {
                        parameters[_key] = apiParameters[_key];
                      }
                      if (args) {
                        for (prop in args) {
                          if (prop === 'length') {
                            this.pdfDocumentProperties.setFileSize(args[prop]);
                          }
                          parameters[prop] = args[prop];
                        }
                      }
                      loadingTask = (0, _pdfjsLib.getDocument)(parameters);

                      this.pdfLoadingTask = loadingTask;
                      loadingTask.onPassword = function (updateCallback, reason) {
                        _this2.passwordPrompt.setUpdateCallback(updateCallback, reason);
                        _this2.passwordPrompt.open();
                      };
                      loadingTask.onProgress = function (_ref8) {
                        var loaded = _ref8.loaded,
                            total = _ref8.total;

                        _this2.progress(loaded / total);
                      };
                      loadingTask.onUnsupportedFeature = this.fallback.bind(this);
                      return _context7.abrupt('return', loadingTask.promise.then(function (pdfDocument) {
                        _this2.load(pdfDocument);
                      }, function (exception) {
                        if (loadingTask !== _this2.pdfLoadingTask) {
                          return;
                        }
                        var message = exception && exception.message;
                        var loadingErrorMessage = void 0;
                        if (exception instanceof _pdfjsLib.InvalidPDFException) {
                          loadingErrorMessage = _this2.l10n.get('invalid_file_error', null, 'Invalid or corrupted PDF file.');
                        } else if (exception instanceof _pdfjsLib.MissingPDFException) {
                          loadingErrorMessage = _this2.l10n.get('missing_file_error', null, 'Missing PDF file.');
                        } else if (exception instanceof _pdfjsLib.UnexpectedResponseException) {
                          loadingErrorMessage = _this2.l10n.get('unexpected_response_error', null, 'Unexpected server response.');
                        } else {
                          loadingErrorMessage = _this2.l10n.get('loading_error', null, 'An error occurred while loading the PDF.');
                        }
                        return loadingErrorMessage.then(function (msg) {
                          _this2.error(msg, { message: message });
                          throw new Error(msg);
                        });
                      }));

                    case 16:
                    case 'end':
                      return _context7.stop();
                  }
                }
              }, _callee7, this);
            }));

            function open(_x3, _x4) {
              return _ref7.apply(this, arguments);
            }

            return open;
          }(),
          download: function download() {
            var _this3 = this;

            function downloadByUrl() {
              downloadManager.downloadUrl(url, filename);
            }
            var url = this.baseUrl;
            var filename = this.contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url);
            var downloadManager = this.downloadManager;
            downloadManager.onerror = function (err) {
              _this3.error('PDF failed to download: ' + err);
            };
            if (!this.pdfDocument || !this.downloadComplete) {
              downloadByUrl();
              return;
            }
            this.pdfDocument.getData().then(function (data) {
              var blob = new Blob([data], { type: 'application/pdf' });
              downloadManager.download(blob, url, filename);
            }).catch(downloadByUrl);
          },
          fallback: function fallback(featureId) {},
          error: function error(message, moreInfo) {
            var moreInfoText = [this.l10n.get('error_version_info', {
              version: _pdfjsLib.version || '?',
              build: _pdfjsLib.build || '?'
            }, 'PDF.js v{{version}} (build: {{build}})')];
            if (moreInfo) {
              moreInfoText.push(this.l10n.get('error_message', { message: moreInfo.message }, 'Message: {{message}}'));
              if (moreInfo.stack) {
                moreInfoText.push(this.l10n.get('error_stack', { stack: moreInfo.stack }, 'Stack: {{stack}}'));
              } else {
                if (moreInfo.filename) {
                  moreInfoText.push(this.l10n.get('error_file', { file: moreInfo.filename }, 'File: {{file}}'));
                }
                if (moreInfo.lineNumber) {
                  moreInfoText.push(this.l10n.get('error_line', { line: moreInfo.lineNumber }, 'Line: {{line}}'));
                }
              }
            }
            var errorWrapperConfig = this.appConfig.errorWrapper;
            var errorWrapper = errorWrapperConfig.container;
            errorWrapper.removeAttribute('hidden');
            var errorMessage = errorWrapperConfig.errorMessage;
            errorMessage.textContent = message;
            var closeButton = errorWrapperConfig.closeButton;
            closeButton.onclick = function () {
              errorWrapper.setAttribute('hidden', 'true');
            };
            var errorMoreInfo = errorWrapperConfig.errorMoreInfo;
            var moreInfoButton = errorWrapperConfig.moreInfoButton;
            var lessInfoButton = errorWrapperConfig.lessInfoButton;
            moreInfoButton.onclick = function () {
              errorMoreInfo.removeAttribute('hidden');
              moreInfoButton.setAttribute('hidden', 'true');
              lessInfoButton.removeAttribute('hidden');
              errorMoreInfo.style.height = errorMoreInfo.scrollHeight + 'px';
            };
            lessInfoButton.onclick = function () {
              errorMoreInfo.setAttribute('hidden', 'true');
              moreInfoButton.removeAttribute('hidden');
              lessInfoButton.setAttribute('hidden', 'true');
            };
            moreInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
            lessInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
            closeButton.oncontextmenu = _ui_utils.noContextMenuHandler;
            moreInfoButton.removeAttribute('hidden');
            lessInfoButton.setAttribute('hidden', 'true');
            Promise.all(moreInfoText).then(function (parts) {
              errorMoreInfo.value = parts.join('\n');
            });
          },
          progress: function progress(level) {
            var _this4 = this;

            if (this.downloadComplete) {
              return;
            }
            var percent = Math.round(level * 100);
            if (percent > this.loadingBar.percent || isNaN(percent)) {
              this.loadingBar.percent = percent;
              var disableAutoFetch = this.pdfDocument ? this.pdfDocument.loadingParams['disableAutoFetch'] : _app_options.AppOptions.get('disableAutoFetch');
              if (disableAutoFetch && percent) {
                if (this.disableAutoFetchLoadingBarTimeout) {
                  clearTimeout(this.disableAutoFetchLoadingBarTimeout);
                  this.disableAutoFetchLoadingBarTimeout = null;
                }
                this.loadingBar.show();
                this.disableAutoFetchLoadingBarTimeout = setTimeout(function () {
                  _this4.loadingBar.hide();
                  _this4.disableAutoFetchLoadingBarTimeout = null;
                }, DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
              }
            }
          },
          load: function load(pdfDocument) {
            var _this5 = this;

            this.pdfDocument = pdfDocument;
            pdfDocument.getDownloadInfo().then(function () {
              _this5.downloadComplete = true;
              _this5.loadingBar.hide();
              firstPagePromise.then(function () {
                _this5.eventBus.dispatch('documentloaded', { source: _this5 });
                _this5.eventBus.dispatch('documentload', { source: _this5 });
              });
            });
            var pageModePromise = pdfDocument.getPageMode().catch(function () {});
            this.toolbar.setPagesCount(pdfDocument.numPages, false);
            this.secondaryToolbar.setPagesCount(pdfDocument.numPages);
            var store = this.store = new _view_history.ViewHistory(pdfDocument.fingerprint);
            var baseDocumentUrl = void 0;
            baseDocumentUrl = null;
            this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
            this.pdfDocumentProperties.setDocument(pdfDocument, this.url);
            var pdfViewer = this.pdfViewer;
            pdfViewer.setDocument(pdfDocument);
            var firstPagePromise = pdfViewer.firstPagePromise;
            var pagesPromise = pdfViewer.pagesPromise;
            var onePageRendered = pdfViewer.onePageRendered;
            var pdfThumbnailViewer = this.pdfThumbnailViewer;
            pdfThumbnailViewer.setDocument(pdfDocument);
            firstPagePromise.then(function (pdfPage) {
              _this5.loadingBar.setWidth(_this5.appConfig.viewerContainer);
              if (!_app_options.AppOptions.get('disableHistory') && !_this5.isViewerEmbedded) {
                var resetHistory = !_app_options.AppOptions.get('showPreviousViewOnLoad');
                _this5.pdfHistory.initialize(pdfDocument.fingerprint, resetHistory);
                if (_this5.pdfHistory.initialBookmark) {
                  _this5.initialBookmark = _this5.pdfHistory.initialBookmark;
                  _this5.initialRotation = _this5.pdfHistory.initialRotation;
                }
              }
              var storePromise = store.getMultiple({
                page: null,
                zoom: _ui_utils.DEFAULT_SCALE_VALUE,
                scrollLeft: '0',
                scrollTop: '0',
                rotation: null,
                sidebarView: _pdf_sidebar.SidebarView.NONE,
                scrollMode: null,
                spreadMode: null
              }).catch(function () {});
              Promise.all([storePromise, pageModePromise]).then(function () {
                var _ref10 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee8(_ref9) {
                  var _ref11 = _slicedToArray(_ref9, 2),
                      _ref11$ = _ref11[0],
                      values = _ref11$ === undefined ? {} : _ref11$,
                      pageMode = _ref11[1];

                  var initialBookmark, zoom, hash, rotation, sidebarView, scrollMode, spreadMode;
                  return _regenerator2.default.wrap(function _callee8$(_context8) {
                    while (1) {
                      switch (_context8.prev = _context8.next) {
                        case 0:
                          initialBookmark = _this5.initialBookmark;
                          zoom = _app_options.AppOptions.get('defaultZoomValue');
                          hash = zoom ? 'zoom=' + zoom : null;
                          rotation = null;
                          sidebarView = _app_options.AppOptions.get('sidebarViewOnLoad');
                          scrollMode = _app_options.AppOptions.get('scrollModeOnLoad');
                          spreadMode = _app_options.AppOptions.get('spreadModeOnLoad');

                          if (values.page && _app_options.AppOptions.get('showPreviousViewOnLoad')) {
                            hash = 'page=' + values.page + '&zoom=' + (zoom || values.zoom) + ',' + values.scrollLeft + ',' + values.scrollTop;
                            rotation = parseInt(values.rotation, 10);
                            sidebarView = sidebarView || values.sidebarView | 0;
                            scrollMode = scrollMode || values.scrollMode | 0;
                            spreadMode = spreadMode || values.spreadMode | 0;
                          }
                          if (pageMode && !_app_options.AppOptions.get('disablePageMode')) {
                            sidebarView = sidebarView || apiPageModeToSidebarView(pageMode);
                          }
                          _this5.setInitialView(hash, {
                            rotation: rotation,
                            sidebarView: sidebarView,
                            scrollMode: scrollMode,
                            spreadMode: spreadMode
                          });
                          _this5.eventBus.dispatch('documentinit', { source: _this5 });
                          if (!_this5.isViewerEmbedded) {
                            pdfViewer.focus();
                          }
                          _context8.next = 14;
                          return Promise.race([pagesPromise, new Promise(function (resolve) {
                            setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
                          })]);

                        case 14:
                          if (!(!initialBookmark && !hash)) {
                            _context8.next = 16;
                            break;
                          }

                          return _context8.abrupt('return');

                        case 16:
                          if (!pdfViewer.hasEqualPageSizes) {
                            _context8.next = 18;
                            break;
                          }

                          return _context8.abrupt('return');

                        case 18:
                          _this5.initialBookmark = initialBookmark;
                          pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
                          _this5.setInitialView(hash);

                        case 21:
                        case 'end':
                          return _context8.stop();
                      }
                    }
                  }, _callee8, _this5);
                }));

                return function (_x5) {
                  return _ref10.apply(this, arguments);
                };
              }()).then(function () {
                pdfViewer.update();
              });
            });
            pdfDocument.getPageLabels().then(function (labels) {
              if (!labels || _app_options.AppOptions.get('disablePageLabels')) {
                return;
              }
              var i = 0,
                  numLabels = labels.length;
              if (numLabels !== _this5.pagesCount) {
                console.error('The number of Page Labels does not match ' + 'the number of pages in the document.');
                return;
              }
              while (i < numLabels && labels[i] === (i + 1).toString()) {
                i++;
              }
              if (i === numLabels) {
                return;
              }
              pdfViewer.setPageLabels(labels);
              pdfThumbnailViewer.setPageLabels(labels);
              _this5.toolbar.setPagesCount(pdfDocument.numPages, true);
              _this5.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
            });
            pagesPromise.then(function () {
              if (!_this5.supportsPrinting) {
                return;
              }
              pdfDocument.getJavaScript().then(function (javaScript) {
                if (!javaScript) {
                  return;
                }
                javaScript.some(function (js) {
                  if (!js) {
                    return false;
                  }
                  console.warn('Warning: JavaScript is not supported');
                  _this5.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.javaScript);
                  return true;
                });
                var regex = /\bprint\s*\(/;
                for (var i = 0, ii = javaScript.length; i < ii; i++) {
                  var js = javaScript[i];
                  if (js && regex.test(js)) {
                    setTimeout(function () {
                      window.print();
                    });
                    return;
                  }
                }
              });
            });
            Promise.all([onePageRendered, _ui_utils.animationStarted]).then(function () {
              pdfDocument.getOutline().then(function (outline) {
                _this5.pdfOutlineViewer.render({ outline: outline });
              });
              pdfDocument.getAttachments().then(function (attachments) {
                _this5.pdfAttachmentViewer.render({ attachments: attachments });
              });
            });
            pdfDocument.getMetadata().then(function (_ref12) {
              var info = _ref12.info,
                  metadata = _ref12.metadata,
                  contentDispositionFilename = _ref12.contentDispositionFilename;

              _this5.documentInfo = info;
              _this5.metadata = metadata;
              _this5.contentDispositionFilename = contentDispositionFilename;
              //console.log('PDF ' + pdfDocument.fingerprint + ' [' + info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() + ' / ' + (info.Creator || '-').trim() + ']' + ' (PDF.js: ' + (_pdfjsLib.version || '-') + (_app_options.AppOptions.get('enableWebGL') ? ' [WebGL]' : '') + ')');
              var pdfTitle = void 0;
              if (metadata && metadata.has('dc:title')) {
                var title = metadata.get('dc:title');
                if (title !== 'Untitled') {
                  pdfTitle = title;
                }
              }
              if (!pdfTitle && info && info['Title']) {
                pdfTitle = info['Title'];
              }
              if (pdfTitle) {
                _this5.setTitle(pdfTitle + ' - ' + (contentDispositionFilename || document.title));
              } else if (contentDispositionFilename) {
                _this5.setTitle(contentDispositionFilename);
              }
              if (info.IsAcroFormPresent) {
                console.warn('Warning: AcroForm/XFA is not supported');
                _this5.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.forms);
              }
            });
          },
          setInitialView: function setInitialView(storedHash) {
            console.log('获取到地址没setInitialView', window.location.href)
            var _this6 = this;
            var _ref13 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
                rotation = _ref13.rotation,
                sidebarView = _ref13.sidebarView,
                scrollMode = _ref13.scrollMode,
                spreadMode = _ref13.spreadMode;
            var setRotation = function setRotation(angle) {
              if ((0, _ui_utils.isValidRotation)(angle)) {
                _this6.pdfViewer.pagesRotation = angle;
              }
            };
            var setViewerModes = function setViewerModes(scroll, spread) {
              if (Number.isInteger(scroll)) {
                _this6.pdfViewer.scrollMode = scroll;
              }
              if (Number.isInteger(spread)) {
                _this6.pdfViewer.spreadMode = spread;
              }
            };
            setViewerModes(scrollMode, spreadMode);
            this.isInitialViewSet = true;
            this.pdfSidebar.setInitialView(sidebarView);
            if (this.initialBookmark) {
              setRotation(this.initialRotation);
              delete this.initialRotation;
              this.pdfLinkService.setHash(this.initialBookmark);
              this.initialBookmark = null;
            } else if (storedHash) {
              setRotation(rotation);
              this.pdfLinkService.setHash(storedHash);
            }
            this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
            this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber);
            if (!this.pdfViewer.currentScaleValue) {
              this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
            }
            var c_url=window.location.href;
            console.log('获取到地址没', c_url)
            if(c_url.indexOf("&")&&c_url.indexOf("=")){
              var c_urlArray={}
              var c_val=c_url.split('?')[1];
              var c_valArray=c_val.split('&');
              for(let i=0;i<c_valArray.length;i++){
                let c_key=c_valArray[i].split('=')[0];
                let c_value=c_valArray[i].split('=')[1];
                c_urlArray[c_key]=c_value;
              }
              if(c_urlArray['zoom']){
                this.pdfViewer.currentScale=c_urlArray['zoom'];
              }
              if(c_urlArray['page']){
                document.getElementById('pageNumber').value = this.pdfViewer.currentPageNumber = c_urlArray['page']*1;
              }
              if(c_urlArray['top']){
                document.getElementById('viewerContainer').scrollTop=document.getElementById('viewerContainer').scrollTop+c_urlArray['top']*1;
              }
              // document.getElementById('customScaleOption').textContent = '200%';
              // document.getElementById('customScaleOption').selected  = true;
            }
          },
          cleanup: function cleanup() {
            if (!this.pdfDocument) {
              return;
            }
            this.pdfViewer.cleanup();
            this.pdfThumbnailViewer.cleanup();
            if (this.pdfViewer.renderer !== _ui_utils.RendererType.SVG) {
              this.pdfDocument.cleanup();
            }
          },
          forceRendering: function forceRendering() {
            this.pdfRenderingQueue.printing = this.printing;
            this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
            this.pdfRenderingQueue.renderHighestPriority();
          },
          beforePrint: function beforePrint() {
            var _this7 = this;

            if (this.printService) {
              return;
            }
            if (!this.supportsPrinting) {
              this.l10n.get('printing_not_supported', null, 'Warning: Printing is not fully supported by ' + 'this browser.').then(function (printMessage) {
                _this7.error(printMessage);
              });
              return;
            }
            if (!this.pdfViewer.pageViewsReady) {
              this.l10n.get('printing_not_ready', null, 'Warning: The PDF is not fully loaded for printing.').then(function (notReadyMessage) {
                window.alert(notReadyMessage);
              });
              return;
            }
            var pagesOverview = this.pdfViewer.getPagesOverview();
            var printContainer = this.appConfig.printContainer;
            var printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer, this.l10n);
            this.printService = printService;
            this.forceRendering();
            printService.layout();
          },

          afterPrint: function pdfViewSetupAfterPrint() {
            if (this.printService) {
              this.printService.destroy();
              this.printService = null;
            }
            this.forceRendering();
          },
          rotatePages: function rotatePages(delta) {
            if (!this.pdfDocument) {
              return;
            }
            var newRotation = (this.pdfViewer.pagesRotation + 360 + delta) % 360;
            this.pdfViewer.pagesRotation = newRotation;
          },
          requestPresentationMode: function requestPresentationMode() {
            if (!this.pdfPresentationMode) {
              return;
            }
            this.pdfPresentationMode.request();
          },
          bindEvents: function bindEvents() {
            var eventBus = this.eventBus,
                _boundEvents = this._boundEvents;

            _boundEvents.beforePrint = this.beforePrint.bind(this);
            _boundEvents.afterPrint = this.afterPrint.bind(this);
            eventBus.on('resize', webViewerResize);
            eventBus.on('hashchange', webViewerHashchange);
            eventBus.on('beforeprint', _boundEvents.beforePrint);
            eventBus.on('afterprint', _boundEvents.afterPrint);
            eventBus.on('pagerendered', webViewerPageRendered);
            eventBus.on('textlayerrendered', webViewerTextLayerRendered);
            eventBus.on('updateviewarea', webViewerUpdateViewarea);
            eventBus.on('pagechanging', webViewerPageChanging);
            eventBus.on('scalechanging', webViewerScaleChanging);
            eventBus.on('rotationchanging', webViewerRotationChanging);
            eventBus.on('sidebarviewchanged', webViewerSidebarViewChanged);
            eventBus.on('pagemode', webViewerPageMode);
            eventBus.on('namedaction', webViewerNamedAction);
            eventBus.on('presentationmodechanged', webViewerPresentationModeChanged);
            eventBus.on('presentationmode', webViewerPresentationMode);
            eventBus.on('openfile', webViewerOpenFile);
            eventBus.on('print', webViewerPrint);
            eventBus.on('download', webViewerDownload);
            eventBus.on('firstpage', webViewerFirstPage);
            eventBus.on('lastpage', webViewerLastPage);
            eventBus.on('nextpage', webViewerNextPage);
            eventBus.on('previouspage', webViewerPreviousPage);
            eventBus.on('zoomin', webViewerZoomIn);
            eventBus.on('zoomout', webViewerZoomOut);
            eventBus.on('pagenumberchanged', webViewerPageNumberChanged);
            eventBus.on('scalechanged', webViewerScaleChanged);
            eventBus.on('rotatecw', webViewerRotateCw);
            eventBus.on('rotateccw', webViewerRotateCcw);
            eventBus.on('switchscrollmode', webViewerSwitchScrollMode);
            eventBus.on('scrollmodechanged', webViewerScrollModeChanged);
            eventBus.on('switchspreadmode', webViewerSwitchSpreadMode);
            eventBus.on('spreadmodechanged', webViewerSpreadModeChanged);
            eventBus.on('documentproperties', webViewerDocumentProperties);
            eventBus.on('find', webViewerFind);
            eventBus.on('findfromurlhash', webViewerFindFromUrlHash);
            eventBus.on('updatefindmatchescount', webViewerUpdateFindMatchesCount);
            eventBus.on('updatefindcontrolstate', webViewerUpdateFindControlState);
            eventBus.on('fileinputchange', webViewerFileInputChange);
          },
          bindWindowEvents: function bindWindowEvents() {
            var eventBus = this.eventBus,
                _boundEvents = this._boundEvents;

            _boundEvents.windowResize = function () {
              eventBus.dispatch('resize', { source: window });
            };
            _boundEvents.windowHashChange = function () {
              eventBus.dispatch('hashchange', {
                source: window,
                hash: document.location.hash.substring(1)
              });
            };
            _boundEvents.windowBeforePrint = function () {
              eventBus.dispatch('beforeprint', { source: window });
            };
            _boundEvents.windowAfterPrint = function () {
              eventBus.dispatch('afterprint', { source: window });
            };
            window.addEventListener('wheel', webViewerWheel);
            window.addEventListener('click', webViewerClick);
            window.addEventListener('keydown', webViewerKeyDown);
            window.addEventListener('resize', _boundEvents.windowResize);
            window.addEventListener('hashchange', _boundEvents.windowHashChange);
            window.addEventListener('beforeprint', _boundEvents.windowBeforePrint);
            window.addEventListener('afterprint', _boundEvents.windowAfterPrint);
          },
          unbindEvents: function unbindEvents() {
            var eventBus = this.eventBus,
                _boundEvents = this._boundEvents;

            eventBus.off('resize', webViewerResize);
            eventBus.off('hashchange', webViewerHashchange);
            eventBus.off('beforeprint', _boundEvents.beforePrint);
            eventBus.off('afterprint', _boundEvents.afterPrint);
            eventBus.off('pagerendered', webViewerPageRendered);
            eventBus.off('textlayerrendered', webViewerTextLayerRendered);
            eventBus.off('updateviewarea', webViewerUpdateViewarea);
            eventBus.off('pagechanging', webViewerPageChanging);
            eventBus.off('scalechanging', webViewerScaleChanging);
            eventBus.off('rotationchanging', webViewerRotationChanging);
            eventBus.off('sidebarviewchanged', webViewerSidebarViewChanged);
            eventBus.off('pagemode', webViewerPageMode);
            eventBus.off('namedaction', webViewerNamedAction);
            eventBus.off('presentationmodechanged', webViewerPresentationModeChanged);
            eventBus.off('presentationmode', webViewerPresentationMode);
            eventBus.off('openfile', webViewerOpenFile);
            eventBus.off('print', webViewerPrint);
            eventBus.off('download', webViewerDownload);
            eventBus.off('firstpage', webViewerFirstPage);
            eventBus.off('lastpage', webViewerLastPage);
            eventBus.off('nextpage', webViewerNextPage);
            eventBus.off('previouspage', webViewerPreviousPage);
            eventBus.off('zoomin', webViewerZoomIn);
            eventBus.off('zoomout', webViewerZoomOut);
            eventBus.off('pagenumberchanged', webViewerPageNumberChanged);
            eventBus.off('scalechanged', webViewerScaleChanged);
            eventBus.off('rotatecw', webViewerRotateCw);
            eventBus.off('rotateccw', webViewerRotateCcw);
            eventBus.off('switchscrollmode', webViewerSwitchScrollMode);
            eventBus.off('scrollmodechanged', webViewerScrollModeChanged);
            eventBus.off('switchspreadmode', webViewerSwitchSpreadMode);
            eventBus.off('spreadmodechanged', webViewerSpreadModeChanged);
            eventBus.off('documentproperties', webViewerDocumentProperties);
            eventBus.off('find', webViewerFind);
            eventBus.off('findfromurlhash', webViewerFindFromUrlHash);
            eventBus.off('updatefindmatchescount', webViewerUpdateFindMatchesCount);
            eventBus.off('updatefindcontrolstate', webViewerUpdateFindControlState);
            eventBus.off('fileinputchange', webViewerFileInputChange);
            _boundEvents.beforePrint = null;
            _boundEvents.afterPrint = null;
          },
          unbindWindowEvents: function unbindWindowEvents() {
            var _boundEvents = this._boundEvents;

            window.removeEventListener('wheel', webViewerWheel);
            window.removeEventListener('click', webViewerClick);
            window.removeEventListener('keydown', webViewerKeyDown);
            window.removeEventListener('resize', _boundEvents.windowResize);
            window.removeEventListener('hashchange', _boundEvents.windowHashChange);
            window.removeEventListener('beforeprint', _boundEvents.windowBeforePrint);
            window.removeEventListener('afterprint', _boundEvents.windowAfterPrint);
            _boundEvents.windowResize = null;
            _boundEvents.windowHashChange = null;
            _boundEvents.windowBeforePrint = null;
            _boundEvents.windowAfterPrint = null;
          }
        };
        var validateFileURL = void 0;
        {
          var HOSTED_VIEWER_ORIGINS = ['null', 'http://mozilla.github.io', 'https://mozilla.github.io'];
          validateFileURL = function validateFileURL(file) {
            if (file === undefined) {
              return;
            }
            try {
              var viewerOrigin = new _pdfjsLib.URL(window.location.href).origin || 'null';
              if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) {
                return;
              }

              var _ref14 = new _pdfjsLib.URL(file, window.location.href),
                  origin = _ref14.origin,
                  protocol = _ref14.protocol;

              /* if (origin !== viewerOrigin && protocol !== 'blob:') {
        throw new Error('file origin does not match viewer\'s');
      } */
            } catch (ex) {
              var message = ex && ex.message;
              PDFViewerApplication.l10n.get('loading_error', null, 'An error occurred while loading the PDF.').then(function (loadingErrorMessage) {
                PDFViewerApplication.error(loadingErrorMessage, { message: message });
              });
              throw ex;
            }
          };
        }
        function loadFakeWorker() {
          if (!_pdfjsLib.GlobalWorkerOptions.workerSrc) {
            _pdfjsLib.GlobalWorkerOptions.workerSrc = _app_options.AppOptions.get('workerSrc');
          }
          return (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.getWorkerSrc());
        }
        function loadAndEnablePDFBug(enabledTabs) {
          var appConfig = PDFViewerApplication.appConfig;
          return (0, _pdfjsLib.loadScript)(appConfig.debuggerScriptPath).then(function () {
            PDFBug.enable(enabledTabs);
            PDFBug.init({
              OPS: _pdfjsLib.OPS,
              createObjectURL: _pdfjsLib.createObjectURL
            }, appConfig.mainContainer);
          });
        }
        function webViewerInitialized() {
          var appConfig = PDFViewerApplication.appConfig;
          var file = void 0;
          var queryString = document.location.search.substring(1);
          var params = (0, _ui_utils.parseQueryString)(queryString);
          file = 'file' in params ? params.file : _app_options.AppOptions.get('defaultUrl');
          validateFileURL(file);
          var fileInput = document.createElement('input');
          fileInput.id = appConfig.openFileInputName;
          fileInput.className = 'fileInput';
          fileInput.setAttribute('type', 'file');
          fileInput.oncontextmenu = _ui_utils.noContextMenuHandler;
          document.body.appendChild(fileInput);
          if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
            appConfig.toolbar.openFile.setAttribute('hidden', 'true');
            appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true');
          } else {
            fileInput.value = null;
          }
          fileInput.addEventListener('change', function (evt) {
            var files = evt.target.files;
            if (!files || files.length === 0) {
              return;
            }
            PDFViewerApplication.eventBus.dispatch('fileinputchange', {
              source: this,
              fileInput: evt.target
            });
          });
          appConfig.mainContainer.addEventListener('dragover', function (evt) {
            evt.preventDefault();
            evt.dataTransfer.dropEffect = 'move';
          });
          appConfig.mainContainer.addEventListener('drop', function (evt) {
            evt.preventDefault();
            var files = evt.dataTransfer.files;
            if (!files || files.length === 0) {
              return;
            }
            PDFViewerApplication.eventBus.dispatch('fileinputchange', {
              source: this,
              fileInput: evt.dataTransfer
            });
          });
          if (!PDFViewerApplication.supportsPrinting) {
            appConfig.toolbar.print.classList.add('hidden');
            appConfig.secondaryToolbar.printButton.classList.add('hidden');
          }
          if (!PDFViewerApplication.supportsFullscreen) {
            appConfig.toolbar.presentationModeButton.classList.add('hidden');
            appConfig.secondaryToolbar.presentationModeButton.classList.add('hidden');
          }
          if (PDFViewerApplication.supportsIntegratedFind) {
            appConfig.toolbar.viewFind.classList.add('hidden');
          }
          appConfig.mainContainer.addEventListener('transitionend', function (evt) {
            if (evt.target === this) {
              PDFViewerApplication.eventBus.dispatch('resize', { source: this });
            }
          }, true);
          appConfig.sidebar.toggleButton.addEventListener('click', function () {
            PDFViewerApplication.pdfSidebar.toggle();
          });
          try {
            webViewerOpenFileViaURL(file);
          } catch (reason) {
            PDFViewerApplication.l10n.get('loading_error', null, 'An error occurred while loading the PDF.').then(function (msg) {
              PDFViewerApplication.error(msg, reason);
            });
          }
        }
        var webViewerOpenFileViaURL = void 0;
        {
          webViewerOpenFileViaURL = function webViewerOpenFileViaURL(file) {
            if (file && file.lastIndexOf('file:', 0) === 0) {
              PDFViewerApplication.setTitleUsingUrl(file);
              var xhr = new XMLHttpRequest();
              xhr.onload = function () {
                PDFViewerApplication.open(new Uint8Array(xhr.response));
              };
              try {
                xhr.open('GET', file);
                xhr.responseType = 'arraybuffer';
                xhr.send();
              } catch (ex) {
                throw ex;
              }
              return;
            }
            if (file) {
              PDFViewerApplication.open(file);
            }
          };
        }
        function webViewerPageRendered(evt) {
          var pageNumber = evt.pageNumber;
          var pageIndex = pageNumber - 1;
          var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
          if (pageNumber === PDFViewerApplication.page) {
            PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
          }
          if (!pageView) {
            return;
          }
          if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
            var thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageIndex);
            thumbnailView.setImage(pageView);
          }
          if (typeof Stats !== 'undefined' && Stats.enabled && pageView.stats) {
            Stats.add(pageNumber, pageView.stats);
          }
          if (pageView.error) {
            PDFViewerApplication.l10n.get('rendering_error', null, 'An error occurred while rendering the page.').then(function (msg) {
              PDFViewerApplication.error(msg, pageView.error);
            });
          }
        }
        function webViewerTextLayerRendered(evt) {}
        function webViewerPageMode(evt) {
          var mode = evt.mode,
              view = void 0;
          switch (mode) {
            case 'thumbs':
              view = _pdf_sidebar.SidebarView.THUMBS;
              break;
            case 'bookmarks':
            case 'outline':
              view = _pdf_sidebar.SidebarView.OUTLINE;
              break;
            case 'attachments':
              view = _pdf_sidebar.SidebarView.ATTACHMENTS;
              break;
            case 'none':
              view = _pdf_sidebar.SidebarView.NONE;
              break;
            default:
              console.error('Invalid "pagemode" hash parameter: ' + mode);
              return;
          }
          PDFViewerApplication.pdfSidebar.switchView(view, true);
        }
        function webViewerNamedAction(evt) {
          var action = evt.action;
          switch (action) {
            case 'GoToPage':
              PDFViewerApplication.appConfig.toolbar.pageNumber.select();
              break;
            case 'Find':
              if (!PDFViewerApplication.supportsIntegratedFind) {
                PDFViewerApplication.findBar.toggle();
              }
              break;
          }
        }
        function webViewerPresentationModeChanged(evt) {
          var active = evt.active,
              switchInProgress = evt.switchInProgress;

          PDFViewerApplication.pdfViewer.presentationModeState = switchInProgress ? _ui_utils.PresentationModeState.CHANGING : active ? _ui_utils.PresentationModeState.FULLSCREEN : _ui_utils.PresentationModeState.NORMAL;
        }
        function webViewerSidebarViewChanged(evt) {
          PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
          var store = PDFViewerApplication.store;
          if (store && PDFViewerApplication.isInitialViewSet) {
            store.set('sidebarView', evt.view).catch(function () {});
          }
        }
        function webViewerUpdateViewarea(evt) {
          var location = evt.location,
              store = PDFViewerApplication.store;
          if (store && PDFViewerApplication.isInitialViewSet) {
            store.setMultiple({
              'page': location.pageNumber,
              'zoom': location.scale,
              'scrollLeft': location.left,
              'scrollTop': location.top,
              'rotation': location.rotation
            }).catch(function () {});
          }
          var href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
          PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
          PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
          var currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
          var loading = currentPage.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED;
          PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
        }
        function webViewerScrollModeChanged(evt) {
          var store = PDFViewerApplication.store;
          if (store && PDFViewerApplication.isInitialViewSet) {
            store.set('scrollMode', evt.mode).catch(function () {});
          }
        }
        function webViewerSpreadModeChanged(evt) {
          var store = PDFViewerApplication.store;
          if (store && PDFViewerApplication.isInitialViewSet) {
            store.set('spreadMode', evt.mode).catch(function () {});
          }
        }
        function webViewerResize() {
          var pdfDocument = PDFViewerApplication.pdfDocument,
              pdfViewer = PDFViewerApplication.pdfViewer;

          if (!pdfDocument) {
            return;
          }
          var currentScaleValue = pdfViewer.currentScaleValue;
          if (currentScaleValue === 'auto' || currentScaleValue === 'page-fit' || currentScaleValue === 'page-width') {
            pdfViewer.currentScaleValue = currentScaleValue;
          }
          pdfViewer.update();
        }
        function webViewerHashchange(evt) {
          var hash = evt.hash;
          if (!hash) {
            return;
          }
          if (!PDFViewerApplication.isInitialViewSet) {
            PDFViewerApplication.initialBookmark = hash;
          } else if (!PDFViewerApplication.pdfHistory.popStateInProgress) {
            PDFViewerApplication.pdfLinkService.setHash(hash);
          }
        }
        var webViewerFileInputChange = void 0;
        {
          webViewerFileInputChange = function webViewerFileInputChange(evt) {
            if (PDFViewerApplication.pdfViewer && PDFViewerApplication.pdfViewer.isInPresentationMode) {
              return;
            }
            var file = evt.fileInput.files[0];
            if (_pdfjsLib.URL.createObjectURL && !_app_options.AppOptions.get('disableCreateObjectURL')) {
              var _url = _pdfjsLib.URL.createObjectURL(file);
              if (file.name) {
                _url = {
                  url: _url,
                  originalUrl: file.name
                };
              }
              PDFViewerApplication.open(_url);
            } else {
              PDFViewerApplication.setTitleUsingUrl(file.name);
              var fileReader = new FileReader();
              fileReader.onload = function webViewerChangeFileReaderOnload(evt) {
                var buffer = evt.target.result;
                PDFViewerApplication.open(new Uint8Array(buffer));
              };
              fileReader.readAsArrayBuffer(file);
            }
            var appConfig = PDFViewerApplication.appConfig;
            appConfig.toolbar.viewBookmark.setAttribute('hidden', 'true');
            appConfig.secondaryToolbar.viewBookmarkButton.setAttribute('hidden', 'true');
            appConfig.toolbar.download.setAttribute('hidden', 'true');
            appConfig.secondaryToolbar.downloadButton.setAttribute('hidden', 'true');
          };
        }
        function webViewerPresentationMode() {
          PDFViewerApplication.requestPresentationMode();
        }
        function webViewerOpenFile() {
          var openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
          document.getElementById(openFileInputName).click();
        }
        function webViewerPrint() {
          window.print();
        }
        function webViewerDownload() {
          PDFViewerApplication.download();
        }
        function webViewerFirstPage() {
          if (PDFViewerApplication.pdfDocument) {
            PDFViewerApplication.page = 1;
          }
        }
        function webViewerLastPage() {
          if (PDFViewerApplication.pdfDocument) {
            PDFViewerApplication.page = PDFViewerApplication.pagesCount;
          }
        }
        function webViewerNextPage() {
          PDFViewerApplication.page++;
        }
        function webViewerPreviousPage() {
          PDFViewerApplication.page--;
        }
        function webViewerZoomIn() {
          PDFViewerApplication.zoomIn();
        }
        function webViewerZoomOut() {
          PDFViewerApplication.zoomOut();
        }
        function webViewerPageNumberChanged(evt) {
          var pdfViewer = PDFViewerApplication.pdfViewer;
          pdfViewer.currentPageLabel = evt.value;

          if (evt.value !== pdfViewer.currentPageNumber.toString() || evt.value !== pdfViewer.currentPageLabel) {
            PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
          }
        }
        function webViewerScaleChanged(evt) {
          PDFViewerApplication.pdfViewer.currentScaleValue = evt.value;
        }
        function webViewerRotateCw() {
          PDFViewerApplication.rotatePages(90);
        }
        function webViewerRotateCcw() {
          PDFViewerApplication.rotatePages(-90);
        }
        function webViewerSwitchScrollMode(evt) {
          PDFViewerApplication.pdfViewer.scrollMode = evt.mode;
        }
        function webViewerSwitchSpreadMode(evt) {
          PDFViewerApplication.pdfViewer.spreadMode = evt.mode;
        }
        function webViewerDocumentProperties() {
          PDFViewerApplication.pdfDocumentProperties.open();
        }
        function webViewerFind(evt) {
          PDFViewerApplication.findController.executeCommand('find' + evt.type, {
            query: evt.query,
            phraseSearch: evt.phraseSearch,
            caseSensitive: evt.caseSensitive,
            entireWord: evt.entireWord,
            highlightAll: evt.highlightAll,
            findPrevious: evt.findPrevious
          });
        }
        function webViewerFindFromUrlHash(evt) {
          PDFViewerApplication.findController.executeCommand('find', {
            query: evt.query,
            phraseSearch: evt.phraseSearch,
            caseSensitive: false,
            entireWord: false,
            highlightAll: true,
            findPrevious: false
          });
        }
        function webViewerUpdateFindMatchesCount(_ref15) {
          var matchesCount = _ref15.matchesCount;

          if (PDFViewerApplication.supportsIntegratedFind) {
            PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount);
          } else {
            PDFViewerApplication.findBar.updateResultsCount(matchesCount);
          }
        }
        function webViewerUpdateFindControlState(_ref16) {
          var state = _ref16.state,
              previous = _ref16.previous,
              matchesCount = _ref16.matchesCount;

          if (PDFViewerApplication.supportsIntegratedFind) {
            PDFViewerApplication.externalServices.updateFindControlState({
              result: state,
              findPrevious: previous,
              matchesCount: matchesCount
            });
          } else {
            PDFViewerApplication.findBar.updateUIState(state, previous, matchesCount);
          }
        }
        function webViewerScaleChanging(evt) {
          PDFViewerApplication.toolbar.setPageScale(evt.presetValue, evt.scale);
          PDFViewerApplication.pdfViewer.update();
        }
        function webViewerRotationChanging(evt) {
          PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
          PDFViewerApplication.forceRendering();
          PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
        }
        function webViewerPageChanging(evt) {
          var page = evt.pageNumber;
          PDFViewerApplication.toolbar.setPageNumber(page, evt.pageLabel || null);
          PDFViewerApplication.secondaryToolbar.setPageNumber(page);
          if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
            PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
          }
          if (typeof Stats !== 'undefined' && Stats.enabled) {
            var pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
            if (pageView && pageView.stats) {
              Stats.add(page, pageView.stats);
            }
          }
        }
        var zoomDisabled = false,
            zoomDisabledTimeout = void 0;
        function webViewerWheel(evt) {
          var pdfViewer = PDFViewerApplication.pdfViewer;
          if (pdfViewer.isInPresentationMode) {
            return;
          }
          if (evt.ctrlKey || evt.metaKey) {
            var support = PDFViewerApplication.supportedMouseWheelZoomModifierKeys;
            if (evt.ctrlKey && !support.ctrlKey || evt.metaKey && !support.metaKey) {
              return;
            }
            evt.preventDefault();
            if (zoomDisabled) {
              return;
            }
            var previousScale = pdfViewer.currentScale;
            var delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
            var MOUSE_WHEEL_DELTA_PER_PAGE_SCALE = 3.0;
            var ticks = delta * MOUSE_WHEEL_DELTA_PER_PAGE_SCALE;
            if (ticks < 0) {
              PDFViewerApplication.zoomOut(-ticks);
            } else {
              PDFViewerApplication.zoomIn(ticks);
            }
            var currentScale = pdfViewer.currentScale;
            if (previousScale !== currentScale) {
              var scaleCorrectionFactor = currentScale / previousScale - 1;
              var rect = pdfViewer.container.getBoundingClientRect();
              var dx = evt.clientX - rect.left;
              var dy = evt.clientY - rect.top;
              pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
              pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
            }
          } else {
            zoomDisabled = true;
            clearTimeout(zoomDisabledTimeout);
            zoomDisabledTimeout = setTimeout(function () {
              zoomDisabled = false;
            }, 1000);
          }
        }
        function webViewerClick(evt) {
          if (!PDFViewerApplication.secondaryToolbar.isOpen) {
            return;
          }
          var appConfig = PDFViewerApplication.appConfig;
          if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
            PDFViewerApplication.secondaryToolbar.close();
          }
        }
        function webViewerKeyDown(evt) {
          if (PDFViewerApplication.overlayManager.active) {
            return;
          }
          var handled = false,
              ensureViewerFocused = false;
          var cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
          var pdfViewer = PDFViewerApplication.pdfViewer;
          var isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode;
          if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
            switch (evt.keyCode) {
              case 70:
                if (!PDFViewerApplication.supportsIntegratedFind) {
                  PDFViewerApplication.findBar.open();
                  handled = true;
                }
                break;
              case 71:
                if (!PDFViewerApplication.supportsIntegratedFind) {
                  var findState = PDFViewerApplication.findController.state;
                  if (findState) {
                    PDFViewerApplication.findController.executeCommand('findagain', {
                      query: findState.query,
                      phraseSearch: findState.phraseSearch,
                      caseSensitive: findState.caseSensitive,
                      entireWord: findState.entireWord,
                      highlightAll: findState.highlightAll,
                      findPrevious: cmd === 5 || cmd === 12
                    });
                  }
                  handled = true;
                }
                break;
              case 61:
              case 107:
              case 187:
              case 171:
                if (!isViewerInPresentationMode) {
                  PDFViewerApplication.zoomIn();
                }
                handled = true;
                break;
              case 173:
              case 109:
              case 189:
                if (!isViewerInPresentationMode) {
                  PDFViewerApplication.zoomOut();
                }
                handled = true;
                break;
              case 48:
              case 96:
                if (!isViewerInPresentationMode) {
                  setTimeout(function () {
                    pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
                  });
                  handled = false;
                }
                break;
              case 38:
                if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
                  PDFViewerApplication.page = 1;
                  handled = true;
                  ensureViewerFocused = true;
                }
                break;
              case 40:
                if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
                  PDFViewerApplication.page = PDFViewerApplication.pagesCount;
                  handled = true;
                  ensureViewerFocused = true;
                }
                break;
            }
          }
          if (cmd === 1 || cmd === 8) {
            switch (evt.keyCode) {
              case 83:
                PDFViewerApplication.download();
                handled = true;
                break;
            }
          }
          if (cmd === 3 || cmd === 10) {
            switch (evt.keyCode) {
              case 80:
                PDFViewerApplication.requestPresentationMode();
                handled = true;
                break;
              case 71:
                PDFViewerApplication.appConfig.toolbar.pageNumber.select();
                handled = true;
                break;
            }
          }
          if (handled) {
            if (ensureViewerFocused && !isViewerInPresentationMode) {
              pdfViewer.focus();
            }
            evt.preventDefault();
            return;
          }
          var curElement = document.activeElement || document.querySelector(':focus');
          var curElementTagName = curElement && curElement.tagName.toUpperCase();
          if (curElementTagName === 'INPUT' || curElementTagName === 'TEXTAREA' || curElementTagName === 'SELECT') {
            if (evt.keyCode !== 27) {
              return;
            }
          }
          if (cmd === 0) {
            var turnPage = 0,
                turnOnlyIfPageFit = false;
            switch (evt.keyCode) {
              case 38:
              case 33:
                if (pdfViewer.isVerticalScrollbarEnabled) {
                  turnOnlyIfPageFit = true;
                }
                turnPage = -1;
                break;
              case 8:
                if (!isViewerInPresentationMode) {
                  turnOnlyIfPageFit = true;
                }
                turnPage = -1;
                break;
              case 37:
                if (pdfViewer.isHorizontalScrollbarEnabled) {
                  turnOnlyIfPageFit = true;
                }
              case 75:
              case 80:
                turnPage = -1;
                break;
              case 27:
                if (PDFViewerApplication.secondaryToolbar.isOpen) {
                  PDFViewerApplication.secondaryToolbar.close();
                  handled = true;
                }
                if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
                  PDFViewerApplication.findBar.close();
                  handled = true;
                }
                break;
              case 40:
              case 34:
                if (pdfViewer.isVerticalScrollbarEnabled) {
                  turnOnlyIfPageFit = true;
                }
                turnPage = 1;
                break;
              case 13:
              case 32:
                if (!isViewerInPresentationMode) {
                  turnOnlyIfPageFit = true;
                }
                turnPage = 1;
                break;
              case 39:
                if (pdfViewer.isHorizontalScrollbarEnabled) {
                  turnOnlyIfPageFit = true;
                }
              case 74:
              case 78:
                turnPage = 1;
                break;
              case 36:
                if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
                  PDFViewerApplication.page = 1;
                  handled = true;
                  ensureViewerFocused = true;
                }
                break;
              case 35:
                if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
                  PDFViewerApplication.page = PDFViewerApplication.pagesCount;
                  handled = true;
                  ensureViewerFocused = true;
                }
                break;
              case 83:
                PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.SELECT);
                break;
              case 72:
                PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.HAND);
                break;
              case 82:
                PDFViewerApplication.rotatePages(90);
                break;
            }
            if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === 'page-fit')) {
              if (turnPage > 0) {
                if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
                  PDFViewerApplication.page++;
                }
              } else {
                if (PDFViewerApplication.page > 1) {
                  PDFViewerApplication.page--;
                }
              }
              handled = true;
            }
          }
          if (cmd === 4) {
            switch (evt.keyCode) {
              case 13:
              case 32:
                if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
                  break;
                }
                if (PDFViewerApplication.page > 1) {
                  PDFViewerApplication.page--;
                }
                handled = true;
                break;
              case 82:
                PDFViewerApplication.rotatePages(-90);
                break;
            }
          }
          if (!handled && !isViewerInPresentationMode) {
            if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== 'BUTTON') {
              ensureViewerFocused = true;
            }
          }
          if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
            pdfViewer.focus();
          }
          if (handled) {
            evt.preventDefault();
          }
        }
        function apiPageModeToSidebarView(mode) {
          switch (mode) {
            case 'UseNone':
              return _pdf_sidebar.SidebarView.NONE;
            case 'UseThumbs':
              return _pdf_sidebar.SidebarView.THUMBS;
            case 'UseOutlines':
              return _pdf_sidebar.SidebarView.OUTLINE;
            case 'UseAttachments':
              return _pdf_sidebar.SidebarView.ATTACHMENTS;
            case 'UseOC':
          }
          return _pdf_sidebar.SidebarView.NONE;
        }
        var PDFPrintServiceFactory = {
          instance: {
            supportsPrinting: false,
            createPrintService: function createPrintService() {
              throw new Error('Not implemented: createPrintService');
            }
          }
        };
        exports.PDFViewerApplication = PDFViewerApplication;
        exports.DefaultExternalServices = DefaultExternalServices;
        exports.PDFPrintServiceFactory = PDFPrintServiceFactory;

        /***/ }),
      /* 2 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        module.exports = __webpack_require__(3);

        /***/ }),
      /* 3 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        var g = function () {
          return this;
        }() || Function("return this")();
        var hadRuntime = g.regeneratorRuntime && Object.getOwnPropertyNames(g).indexOf("regeneratorRuntime") >= 0;
        var oldRuntime = hadRuntime && g.regeneratorRuntime;
        g.regeneratorRuntime = undefined;
        module.exports = __webpack_require__(4);
        if (hadRuntime) {
          g.regeneratorRuntime = oldRuntime;
        } else {
          try {
            delete g.regeneratorRuntime;
          } catch (e) {
            g.regeneratorRuntime = undefined;
          }
        }

        /***/ }),
      /* 4 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";
        /* WEBPACK VAR INJECTION */(function(module) {

          var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

          !function (global) {
            "use strict";

            var Op = Object.prototype;
            var hasOwn = Op.hasOwnProperty;
            var undefined;
            var $Symbol = typeof Symbol === "function" ? Symbol : {};
            var iteratorSymbol = $Symbol.iterator || "@@iterator";
            var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
            var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
            var inModule = ( false ? undefined : _typeof(module)) === "object";
            var runtime = global.regeneratorRuntime;
            if (runtime) {
              if (inModule) {
                module.exports = runtime;
              }
              return;
            }
            runtime = global.regeneratorRuntime = inModule ? module.exports : {};
            function wrap(innerFn, outerFn, self, tryLocsList) {
              var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
              var generator = Object.create(protoGenerator.prototype);
              var context = new Context(tryLocsList || []);
              generator._invoke = makeInvokeMethod(innerFn, self, context);
              return generator;
            }
            runtime.wrap = wrap;
            function tryCatch(fn, obj, arg) {
              try {
                return {
                  type: "normal",
                  arg: fn.call(obj, arg)
                };
              } catch (err) {
                return {
                  type: "throw",
                  arg: err
                };
              }
            }
            var GenStateSuspendedStart = "suspendedStart";
            var GenStateSuspendedYield = "suspendedYield";
            var GenStateExecuting = "executing";
            var GenStateCompleted = "completed";
            var ContinueSentinel = {};
            function Generator() {}
            function GeneratorFunction() {}
            function GeneratorFunctionPrototype() {}
            var IteratorPrototype = {};
            IteratorPrototype[iteratorSymbol] = function () {
              return this;
            };
            var getProto = Object.getPrototypeOf;
            var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
            if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
              IteratorPrototype = NativeIteratorPrototype;
            }
            var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
            GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
            GeneratorFunctionPrototype.constructor = GeneratorFunction;
            GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction";
            function defineIteratorMethods(prototype) {
              ["next", "throw", "return"].forEach(function (method) {
                prototype[method] = function (arg) {
                  return this._invoke(method, arg);
                };
              });
            }
            runtime.isGeneratorFunction = function (genFun) {
              var ctor = typeof genFun === "function" && genFun.constructor;
              return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
            };
            runtime.mark = function (genFun) {
              if (Object.setPrototypeOf) {
                Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
              } else {
                genFun.__proto__ = GeneratorFunctionPrototype;
                if (!(toStringTagSymbol in genFun)) {
                  genFun[toStringTagSymbol] = "GeneratorFunction";
                }
              }
              genFun.prototype = Object.create(Gp);
              return genFun;
            };
            runtime.awrap = function (arg) {
              return { __await: arg };
            };
            function AsyncIterator(generator) {
              function invoke(method, arg, resolve, reject) {
                var record = tryCatch(generator[method], generator, arg);
                if (record.type === "throw") {
                  reject(record.arg);
                } else {
                  var result = record.arg;
                  var value = result.value;
                  if (value && (typeof value === "undefined" ? "undefined" : _typeof(value)) === "object" && hasOwn.call(value, "__await")) {
                    return Promise.resolve(value.__await).then(function (value) {
                      invoke("next", value, resolve, reject);
                    }, function (err) {
                      invoke("throw", err, resolve, reject);
                    });
                  }
                  return Promise.resolve(value).then(function (unwrapped) {
                    result.value = unwrapped;
                    resolve(result);
                  }, reject);
                }
              }
              var previousPromise;
              function enqueue(method, arg) {
                function callInvokeWithMethodAndArg() {
                  return new Promise(function (resolve, reject) {
                    invoke(method, arg, resolve, reject);
                  });
                }
                return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
              }
              this._invoke = enqueue;
            }
            defineIteratorMethods(AsyncIterator.prototype);
            AsyncIterator.prototype[asyncIteratorSymbol] = function () {
              return this;
            };
            runtime.AsyncIterator = AsyncIterator;
            runtime.async = function (innerFn, outerFn, self, tryLocsList) {
              var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList));
              return runtime.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
                return result.done ? result.value : iter.next();
              });
            };
            function makeInvokeMethod(innerFn, self, context) {
              var state = GenStateSuspendedStart;
              return function invoke(method, arg) {
                if (state === GenStateExecuting) {
                  throw new Error("Generator is already running");
                }
                if (state === GenStateCompleted) {
                  if (method === "throw") {
                    throw arg;
                  }
                  return doneResult();
                }
                context.method = method;
                context.arg = arg;
                while (true) {
                  var delegate = context.delegate;
                  if (delegate) {
                    var delegateResult = maybeInvokeDelegate(delegate, context);
                    if (delegateResult) {
                      if (delegateResult === ContinueSentinel) continue;
                      return delegateResult;
                    }
                  }
                  if (context.method === "next") {
                    context.sent = context._sent = context.arg;
                  } else if (context.method === "throw") {
                    if (state === GenStateSuspendedStart) {
                      state = GenStateCompleted;
                      throw context.arg;
                    }
                    context.dispatchException(context.arg);
                  } else if (context.method === "return") {
                    context.abrupt("return", context.arg);
                  }
                  state = GenStateExecuting;
                  var record = tryCatch(innerFn, self, context);
                  if (record.type === "normal") {
                    state = context.done ? GenStateCompleted : GenStateSuspendedYield;
                    if (record.arg === ContinueSentinel) {
                      continue;
                    }
                    return {
                      value: record.arg,
                      done: context.done
                    };
                  } else if (record.type === "throw") {
                    state = GenStateCompleted;
                    context.method = "throw";
                    context.arg = record.arg;
                  }
                }
              };
            }
            function maybeInvokeDelegate(delegate, context) {
              var method = delegate.iterator[context.method];
              if (method === undefined) {
                context.delegate = null;
                if (context.method === "throw") {
                  if (delegate.iterator.return) {
                    context.method = "return";
                    context.arg = undefined;
                    maybeInvokeDelegate(delegate, context);
                    if (context.method === "throw") {
                      return ContinueSentinel;
                    }
                  }
                  context.method = "throw";
                  context.arg = new TypeError("The iterator does not provide a 'throw' method");
                }
                return ContinueSentinel;
              }
              var record = tryCatch(method, delegate.iterator, context.arg);
              if (record.type === "throw") {
                context.method = "throw";
                context.arg = record.arg;
                context.delegate = null;
                return ContinueSentinel;
              }
              var info = record.arg;
              if (!info) {
                context.method = "throw";
                context.arg = new TypeError("iterator result is not an object");
                context.delegate = null;
                return ContinueSentinel;
              }
              if (info.done) {
                context[delegate.resultName] = info.value;
                context.next = delegate.nextLoc;
                if (context.method !== "return") {
                  context.method = "next";
                  context.arg = undefined;
                }
              } else {
                return info;
              }
              context.delegate = null;
              return ContinueSentinel;
            }
            defineIteratorMethods(Gp);
            Gp[toStringTagSymbol] = "Generator";
            Gp[iteratorSymbol] = function () {
              return this;
            };
            Gp.toString = function () {
              return "[object Generator]";
            };
            function pushTryEntry(locs) {
              var entry = { tryLoc: locs[0] };
              if (1 in locs) {
                entry.catchLoc = locs[1];
              }
              if (2 in locs) {
                entry.finallyLoc = locs[2];
                entry.afterLoc = locs[3];
              }
              this.tryEntries.push(entry);
            }
            function resetTryEntry(entry) {
              var record = entry.completion || {};
              record.type = "normal";
              delete record.arg;
              entry.completion = record;
            }
            function Context(tryLocsList) {
              this.tryEntries = [{ tryLoc: "root" }];
              tryLocsList.forEach(pushTryEntry, this);
              this.reset(true);
            }
            runtime.keys = function (object) {
              var keys = [];
              for (var key in object) {
                keys.push(key);
              }
              keys.reverse();
              return function next() {
                while (keys.length) {
                  var key = keys.pop();
                  if (key in object) {
                    next.value = key;
                    next.done = false;
                    return next;
                  }
                }
                next.done = true;
                return next;
              };
            };
            function values(iterable) {
              if (iterable) {
                var iteratorMethod = iterable[iteratorSymbol];
                if (iteratorMethod) {
                  return iteratorMethod.call(iterable);
                }
                if (typeof iterable.next === "function") {
                  return iterable;
                }
                if (!isNaN(iterable.length)) {
                  var i = -1,
                      next = function next() {
                        while (++i < iterable.length) {
                          if (hasOwn.call(iterable, i)) {
                            next.value = iterable[i];
                            next.done = false;
                            return next;
                          }
                        }
                        next.value = undefined;
                        next.done = true;
                        return next;
                      };
                  return next.next = next;
                }
              }
              return { next: doneResult };
            }
            runtime.values = values;
            function doneResult() {
              return {
                value: undefined,
                done: true
              };
            }
            Context.prototype = {
              constructor: Context,
              reset: function reset(skipTempReset) {
                this.prev = 0;
                this.next = 0;
                this.sent = this._sent = undefined;
                this.done = false;
                this.delegate = null;
                this.method = "next";
                this.arg = undefined;
                this.tryEntries.forEach(resetTryEntry);
                if (!skipTempReset) {
                  for (var name in this) {
                    if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
                      this[name] = undefined;
                    }
                  }
                }
              },
              stop: function stop() {
                this.done = true;
                var rootEntry = this.tryEntries[0];
                var rootRecord = rootEntry.completion;
                if (rootRecord.type === "throw") {
                  throw rootRecord.arg;
                }
                return this.rval;
              },
              dispatchException: function dispatchException(exception) {
                if (this.done) {
                  throw exception;
                }
                var context = this;
                function handle(loc, caught) {
                  record.type = "throw";
                  record.arg = exception;
                  context.next = loc;
                  if (caught) {
                    context.method = "next";
                    context.arg = undefined;
                  }
                  return !!caught;
                }
                for (var i = this.tryEntries.length - 1; i >= 0; --i) {
                  var entry = this.tryEntries[i];
                  var record = entry.completion;
                  if (entry.tryLoc === "root") {
                    return handle("end");
                  }
                  if (entry.tryLoc <= this.prev) {
                    var hasCatch = hasOwn.call(entry, "catchLoc");
                    var hasFinally = hasOwn.call(entry, "finallyLoc");
                    if (hasCatch && hasFinally) {
                      if (this.prev < entry.catchLoc) {
                        return handle(entry.catchLoc, true);
                      } else if (this.prev < entry.finallyLoc) {
                        return handle(entry.finallyLoc);
                      }
                    } else if (hasCatch) {
                      if (this.prev < entry.catchLoc) {
                        return handle(entry.catchLoc, true);
                      }
                    } else if (hasFinally) {
                      if (this.prev < entry.finallyLoc) {
                        return handle(entry.finallyLoc);
                      }
                    } else {
                      throw new Error("try statement without catch or finally");
                    }
                  }
                }
              },
              abrupt: function abrupt(type, arg) {
                for (var i = this.tryEntries.length - 1; i >= 0; --i) {
                  var entry = this.tryEntries[i];
                  if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
                    var finallyEntry = entry;
                    break;
                  }
                }
                if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
                  finallyEntry = null;
                }
                var record = finallyEntry ? finallyEntry.completion : {};
                record.type = type;
                record.arg = arg;
                if (finallyEntry) {
                  this.method = "next";
                  this.next = finallyEntry.finallyLoc;
                  return ContinueSentinel;
                }
                return this.complete(record);
              },
              complete: function complete(record, afterLoc) {
                if (record.type === "throw") {
                  throw record.arg;
                }
                if (record.type === "break" || record.type === "continue") {
                  this.next = record.arg;
                } else if (record.type === "return") {
                  this.rval = this.arg = record.arg;
                  this.method = "return";
                  this.next = "end";
                } else if (record.type === "normal" && afterLoc) {
                  this.next = afterLoc;
                }
                return ContinueSentinel;
              },
              finish: function finish(finallyLoc) {
                for (var i = this.tryEntries.length - 1; i >= 0; --i) {
                  var entry = this.tryEntries[i];
                  if (entry.finallyLoc === finallyLoc) {
                    this.complete(entry.completion, entry.afterLoc);
                    resetTryEntry(entry);
                    return ContinueSentinel;
                  }
                }
              },
              "catch": function _catch(tryLoc) {
                for (var i = this.tryEntries.length - 1; i >= 0; --i) {
                  var entry = this.tryEntries[i];
                  if (entry.tryLoc === tryLoc) {
                    var record = entry.completion;
                    if (record.type === "throw") {
                      var thrown = record.arg;
                      resetTryEntry(entry);
                    }
                    return thrown;
                  }
                }
                throw new Error("illegal catch attempt");
              },
              delegateYield: function delegateYield(iterable, resultName, nextLoc) {
                this.delegate = {
                  iterator: values(iterable),
                  resultName: resultName,
                  nextLoc: nextLoc
                };
                if (this.method === "next") {
                  this.arg = undefined;
                }
                return ContinueSentinel;
              }
            };
          }(function () {
            return this;
          }() || Function("return this")());
          /* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(5)(module)))

        /***/ }),
      /* 5 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        module.exports = function (module) {
          if (!module.webpackPolyfill) {
            module.deprecate = function () {};
            module.paths = [];
            if (!module.children) module.children = [];
            Object.defineProperty(module, "loaded", {
              enumerable: true,
              get: function get() {
                return module.l;
              }
            });
            Object.defineProperty(module, "id", {
              enumerable: true,
              get: function get() {
                return module.i;
              }
            });
            module.webpackPolyfill = 1;
          }
          return module;
        };

        /***/ }),
      /* 6 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.moveToEndOfArray = exports.waitOnEventOrTimeout = exports.WaitOnType = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.getPageSizeInches = exports.roundToDivide = exports.getVisibleElements = exports.backtrackBeforeAllVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.isPortraitOrientation = exports.isValidRotation = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;

        var _regenerator = __webpack_require__(2);

        var _regenerator2 = _interopRequireDefault(_regenerator);

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

        var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

        function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

        var CSS_UNITS = 96.0 / 72.0;
        var DEFAULT_SCALE_VALUE = 'auto';
        var DEFAULT_SCALE = 1.0;
        var MIN_SCALE = 0.10;
        var MAX_SCALE = 10.0;
        var UNKNOWN_SCALE = 0;
        var MAX_AUTO_SCALE = 1.25;
        var SCROLLBAR_PADDING = 40;
        var VERTICAL_PADDING = 5;
        var PresentationModeState = {
          UNKNOWN: 0,
          NORMAL: 1,
          CHANGING: 2,
          FULLSCREEN: 3
        };
        var RendererType = {
          CANVAS: 'canvas',
          SVG: 'svg'
        };
        var TextLayerMode = {
          DISABLE: 0,
          ENABLE: 1,
          ENABLE_ENHANCE: 2
        };
        function formatL10nValue(text, args) {
          if (!args) {
            return text;
          }
          return text.replace(/\{\{\s*(\w+)\s*\}\}/g, function (all, name) {
            return name in args ? args[name] : '{{' + name + '}}';
          });
        }
        var NullL10n = {
          getLanguage: function () {
            var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() {
              return _regenerator2.default.wrap(function _callee$(_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      return _context.abrupt('return', 'en-us');

                    case 1:
                    case 'end':
                      return _context.stop();
                  }
                }
              }, _callee, this);
            }));

            function getLanguage() {
              return _ref.apply(this, arguments);
            }

            return getLanguage;
          }(),
          getDirection: function () {
            var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() {
              return _regenerator2.default.wrap(function _callee2$(_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                      return _context2.abrupt('return', 'ltr');

                    case 1:
                    case 'end':
                      return _context2.stop();
                  }
                }
              }, _callee2, this);
            }));

            function getDirection() {
              return _ref2.apply(this, arguments);
            }

            return getDirection;
          }(),
          get: function () {
            var _ref3 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee3(property, args, fallback) {
              return _regenerator2.default.wrap(function _callee3$(_context3) {
                while (1) {
                  switch (_context3.prev = _context3.next) {
                    case 0:
                      return _context3.abrupt('return', formatL10nValue(fallback, args));

                    case 1:
                    case 'end':
                      return _context3.stop();
                  }
                }
              }, _callee3, this);
            }));

            function get(_x, _x2, _x3) {
              return _ref3.apply(this, arguments);
            }

            return get;
          }(),
          translate: function () {
            var _ref4 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee4(element) {
              return _regenerator2.default.wrap(function _callee4$(_context4) {
                while (1) {
                  switch (_context4.prev = _context4.next) {
                    case 0:
                    case 'end':
                      return _context4.stop();
                  }
                }
              }, _callee4, this);
            }));

            function translate(_x4) {
              return _ref4.apply(this, arguments);
            }

            return translate;
          }()
        };
        function getOutputScale(ctx) {
          var devicePixelRatio = window.devicePixelRatio || 1;
          var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
          var pixelRatio = devicePixelRatio / backingStoreRatio;
          return {
            sx: pixelRatio,
            sy: pixelRatio,
            scaled: pixelRatio !== 1
          };
        }
        function scrollIntoView(element, spot) {
          var skipOverflowHiddenElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

          var parent = element.offsetParent;
          if (!parent) {
            console.error('offsetParent is not set -- cannot scroll');
            return;
          }
          var offsetY = element.offsetTop + element.clientTop;
          var offsetX = element.offsetLeft + element.clientLeft;
          while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === 'hidden') {
            if (parent.dataset._scaleY) {
              offsetY /= parent.dataset._scaleY;
              offsetX /= parent.dataset._scaleX;
            }
            offsetY += parent.offsetTop;
            offsetX += parent.offsetLeft;
            parent = parent.offsetParent;
            if (!parent) {
              return;
            }
          }
          if (spot) {
            if (spot.top !== undefined) {
              offsetY += spot.top;
            }
            if (spot.left !== undefined) {
              offsetX += spot.left;
              parent.scrollLeft = offsetX;
            }
          }
          parent.scrollTop = offsetY;
        }
        function watchScroll(viewAreaElement, callback) {
          var debounceScroll = function debounceScroll(evt) {
            if (rAF) {
              return;
            }
            rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
              rAF = null;
              var currentX = viewAreaElement.scrollLeft;
              var lastX = state.lastX;
              if (currentX !== lastX) {
                state.right = currentX > lastX;
              }
              state.lastX = currentX;
              var currentY = viewAreaElement.scrollTop;
              var lastY = state.lastY;
              if (currentY !== lastY) {
                state.down = currentY > lastY;
              }
              state.lastY = currentY;
              callback(state);
            });
          };
          var state = {
            right: true,
            down: true,
            lastX: viewAreaElement.scrollLeft,
            lastY: viewAreaElement.scrollTop,
            _eventHandler: debounceScroll
          };
          var rAF = null;
          viewAreaElement.addEventListener('scroll', debounceScroll, true);
          return state;
        }
        function parseQueryString(query) {
          var parts = query.split('&');
          var params = Object.create(null);
          for (var i = 0, ii = parts.length; i < ii; ++i) {
            var param = parts[i].split('=');
            var key = param[0].toLowerCase();
            var value = param.length > 1 ? param[1] : null;
            params[decodeURIComponent(key)] = decodeURIComponent(value);
          }
          return params;
        }
        function binarySearchFirstItem(items, condition) {
          var minIndex = 0;
          var maxIndex = items.length - 1;
          if (items.length === 0 || !condition(items[maxIndex])) {
            return items.length;
          }
          if (condition(items[minIndex])) {
            return minIndex;
          }
          while (minIndex < maxIndex) {
            var currentIndex = minIndex + maxIndex >> 1;
            var currentItem = items[currentIndex];
            if (condition(currentItem)) {
              maxIndex = currentIndex;
            } else {
              minIndex = currentIndex + 1;
            }
          }
          return minIndex;
        }
        function approximateFraction(x) {
          if (Math.floor(x) === x) {
            return [x, 1];
          }
          var xinv = 1 / x;
          var limit = 8;
          if (xinv > limit) {
            return [1, limit];
          } else if (Math.floor(xinv) === xinv) {
            return [1, xinv];
          }
          var x_ = x > 1 ? xinv : x;
          var a = 0,
              b = 1,
              c = 1,
              d = 1;
          while (true) {
            var p = a + c,
                q = b + d;
            if (q > limit) {
              break;
            }
            if (x_ <= p / q) {
              c = p;
              d = q;
            } else {
              a = p;
              b = q;
            }
          }
          var result = void 0;
          if (x_ - a / b < c / d - x_) {
            result = x_ === x ? [a, b] : [b, a];
          } else {
            result = x_ === x ? [c, d] : [d, c];
          }
          return result;
        }
        function roundToDivide(x, div) {
          var r = x % div;
          return r === 0 ? x : Math.round(x - r + div);
        }
        function getPageSizeInches(_ref5) {
          var view = _ref5.view,
              userUnit = _ref5.userUnit,
              rotate = _ref5.rotate;

          var _view = _slicedToArray(view, 4),
              x1 = _view[0],
              y1 = _view[1],
              x2 = _view[2],
              y2 = _view[3];

          var changeOrientation = rotate % 180 !== 0;
          var width = (x2 - x1) / 72 * userUnit;
          var height = (y2 - y1) / 72 * userUnit;
          return {
            width: changeOrientation ? height : width,
            height: changeOrientation ? width : height
          };
        }
        function backtrackBeforeAllVisibleElements(index, views, top) {
          if (index < 2) {
            return index;
          }
          var elt = views[index].div;
          var pageTop = elt.offsetTop + elt.clientTop;
          if (pageTop >= top) {
            elt = views[index - 1].div;
            pageTop = elt.offsetTop + elt.clientTop;
          }
          for (var i = index - 2; i >= 0; --i) {
            elt = views[i].div;
            if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
              break;
            }
            index = i;
          }
          return index;
        }
        function getVisibleElements(scrollEl, views) {
          var sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
          var horizontal = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;

          var top = scrollEl.scrollTop,
              bottom = top + scrollEl.clientHeight;
          var left = scrollEl.scrollLeft,
              right = left + scrollEl.clientWidth;
          function isElementBottomAfterViewTop(view) {
            var element = view.div;
            var elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
            return elementBottom > top;
          }
          function isElementRightAfterViewLeft(view) {
            var element = view.div;
            var elementRight = element.offsetLeft + element.clientLeft + element.clientWidth;
            return elementRight > left;
          }
          var visible = [],
              view = void 0,
              element = void 0;
          var currentHeight = void 0,
              viewHeight = void 0,
              viewBottom = void 0,
              hiddenHeight = void 0;
          var currentWidth = void 0,
              viewWidth = void 0,
              viewRight = void 0,
              hiddenWidth = void 0;
          var percentVisible = void 0;
          var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop);
          if (views.length > 0 && !horizontal) {
            firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
          }
          var lastEdge = horizontal ? right : -1;
          for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
            view = views[i];
            element = view.div;
            currentWidth = element.offsetLeft + element.clientLeft;
            currentHeight = element.offsetTop + element.clientTop;
            viewWidth = element.clientWidth;
            viewHeight = element.clientHeight;
            viewRight = currentWidth + viewWidth;
            viewBottom = currentHeight + viewHeight;
            if (lastEdge === -1) {
              if (viewBottom >= bottom) {
                lastEdge = viewBottom;
              }
            } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
              break;
            }
            if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
              continue;
            }
            hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
            hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
            percentVisible = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0;
            visible.push({
              id: view.id,
              x: currentWidth,
              y: currentHeight,
              view: view,
              percent: percentVisible
            });
          }
          var first = visible[0];
          var last = visible[visible.length - 1];
          if (sortByVisibility) {
            visible.sort(function (a, b) {
              var pc = a.percent - b.percent;
              if (Math.abs(pc) > 0.001) {
                return -pc;
              }
              return a.id - b.id;
            });
          }
          return {
            first: first,
            last: last,
            views: visible
          };
        }
        function noContextMenuHandler(evt) {
          evt.preventDefault();
        }
        function isDataSchema(url) {
          var i = 0,
              ii = url.length;
          while (i < ii && url[i].trim() === '') {
            i++;
          }
          return url.substring(i, i + 5).toLowerCase() === 'data:';
        }
        function getPDFFileNameFromURL(url) {
          var defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'document.pdf';

          if (typeof url !== 'string') {
            return defaultFilename;
          }
          if (isDataSchema(url)) {
            console.warn('getPDFFileNameFromURL: ' + 'ignoring "data:" URL for performance reasons.');
            return defaultFilename;
          }
          var reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
          var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
          var splitURI = reURI.exec(url);
          var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
          if (suggestedFilename) {
            suggestedFilename = suggestedFilename[0];
            if (suggestedFilename.includes('%')) {
              try {
                suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
              } catch (ex) {}
            }
          }
          return suggestedFilename || defaultFilename;
        }
        function normalizeWheelEventDelta(evt) {
          var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
          var angle = Math.atan2(evt.deltaY, evt.deltaX);
          if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
            delta = -delta;
          }
          var MOUSE_DOM_DELTA_PIXEL_MODE = 0;
          var MOUSE_DOM_DELTA_LINE_MODE = 1;
          var MOUSE_PIXELS_PER_LINE = 30;
          var MOUSE_LINES_PER_PAGE = 30;
          if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
            delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
          } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
            delta /= MOUSE_LINES_PER_PAGE;
          }
          return delta;
        }
        function isValidRotation(angle) {
          return Number.isInteger(angle) && angle % 90 === 0;
        }
        function isPortraitOrientation(size) {
          return size.width <= size.height;
        }
        var WaitOnType = {
          EVENT: 'event',
          TIMEOUT: 'timeout'
        };
        function waitOnEventOrTimeout(_ref6) {
          var target = _ref6.target,
              name = _ref6.name,
              _ref6$delay = _ref6.delay,
              delay = _ref6$delay === undefined ? 0 : _ref6$delay;

          return new Promise(function (resolve, reject) {
            if ((typeof target === 'undefined' ? 'undefined' : _typeof(target)) !== 'object' || !(name && typeof name === 'string') || !(Number.isInteger(delay) && delay >= 0)) {
              throw new Error('waitOnEventOrTimeout - invalid parameters.');
            }
            function handler(type) {
              if (target instanceof EventBus) {
                target.off(name, eventHandler);
              } else {
                target.removeEventListener(name, eventHandler);
              }
              if (timeout) {
                clearTimeout(timeout);
              }
              resolve(type);
            }
            var eventHandler = handler.bind(null, WaitOnType.EVENT);
            if (target instanceof EventBus) {
              target.on(name, eventHandler);
            } else {
              target.addEventListener(name, eventHandler);
            }
            var timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
            var timeout = setTimeout(timeoutHandler, delay);
          });
        }
        var animationStarted = new Promise(function (resolve) {
          window.requestAnimationFrame(resolve);
        });

        var EventBus = function () {
          function EventBus() {
            var _ref7 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
                _ref7$dispatchToDOM = _ref7.dispatchToDOM,
                dispatchToDOM = _ref7$dispatchToDOM === undefined ? false : _ref7$dispatchToDOM;

            _classCallCheck(this, EventBus);

            this._listeners = Object.create(null);
            this._dispatchToDOM = dispatchToDOM === true;
          }

          _createClass(EventBus, [{
            key: 'on',
            value: function on(eventName, listener) {
              var eventListeners = this._listeners[eventName];
              if (!eventListeners) {
                eventListeners = [];
                this._listeners[eventName] = eventListeners;
              }
              eventListeners.push(listener);
            }
          }, {
            key: 'off',
            value: function off(eventName, listener) {
              var eventListeners = this._listeners[eventName];
              var i = void 0;
              if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
                return;
              }
              eventListeners.splice(i, 1);
            }
          }, {
            key: 'dispatch',
            value: function dispatch(eventName) {
              var eventListeners = this._listeners[eventName];
              if (!eventListeners || eventListeners.length === 0) {
                if (this._dispatchToDOM) {
                  var _args5 = Array.prototype.slice.call(arguments, 1);
                  this._dispatchDOMEvent(eventName, _args5);
                }
                return;
              }
              var args = Array.prototype.slice.call(arguments, 1);
              eventListeners.slice(0).forEach(function (listener) {
                listener.apply(null, args);
              });
              if (this._dispatchToDOM) {
                this._dispatchDOMEvent(eventName, args);
              }
            }
          }, {
            key: '_dispatchDOMEvent',
            value: function _dispatchDOMEvent(eventName) {
              var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

              if (!this._dispatchToDOM) {
                return;
              }
              var details = Object.create(null);
              if (args && args.length > 0) {
                var obj = args[0];
                for (var key in obj) {
                  var value = obj[key];
                  if (key === 'source') {
                    if (value === window || value === document) {
                      return;
                    }
                    continue;
                  }
                  details[key] = value;
                }
              }
              var event = document.createEvent('CustomEvent');
              event.initCustomEvent(eventName, true, true, details);
              document.dispatchEvent(event);
            }
          }]);

          return EventBus;
        }();

        function clamp(v, min, max) {
          return Math.min(Math.max(v, min), max);
        }

        var ProgressBar = function () {
          function ProgressBar(id) {
            var _ref8 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
                height = _ref8.height,
                width = _ref8.width,
                units = _ref8.units;

            _classCallCheck(this, ProgressBar);

            this.visible = true;
            this.div = document.querySelector(id + ' .progress');
            this.bar = this.div.parentNode;
            this.height = height || 100;
            this.width = width || 100;
            this.units = units || '%';
            this.div.style.height = this.height + this.units;
            this.percent = 0;
          }

          _createClass(ProgressBar, [{
            key: '_updateBar',
            value: function _updateBar() {
              if (this._indeterminate) {
                this.div.classList.add('indeterminate');
                this.div.style.width = this.width + this.units;
                return;
              }
              this.div.classList.remove('indeterminate');
              var progressSize = this.width * this._percent / 100;
              this.div.style.width = progressSize + this.units;
            }
          }, {
            key: 'setWidth',
            value: function setWidth(viewer) {
              if (!viewer) {
                return;
              }
              var container = viewer.parentNode;
              var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
              if (scrollbarWidth > 0) {
                this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
              }
            }
          }, {
            key: 'hide',
            value: function hide() {
              if (!this.visible) {
                return;
              }
              this.visible = false;
              this.bar.classList.add('hidden');
              document.body.classList.remove('loadingInProgress');
            }
          }, {
            key: 'show',
            value: function show() {
              if (this.visible) {
                return;
              }
              this.visible = true;
              document.body.classList.add('loadingInProgress');
              this.bar.classList.remove('hidden');
            }
          }, {
            key: 'percent',
            get: function get() {
              return this._percent;
            },
            set: function set(val) {
              this._indeterminate = isNaN(val);
              this._percent = clamp(val, 0, 100);
              this._updateBar();
            }
          }]);

          return ProgressBar;
        }();

        function moveToEndOfArray(arr, condition) {
          var moved = [],
              len = arr.length;
          var write = 0;
          for (var read = 0; read < len; ++read) {
            if (condition(arr[read])) {
              moved.push(arr[read]);
            } else {
              arr[write] = arr[read];
              ++write;
            }
          }
          for (var _read = 0; write < len; ++_read, ++write) {
            arr[write] = moved[_read];
          }
        }
        exports.CSS_UNITS = CSS_UNITS;
        exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
        exports.DEFAULT_SCALE = DEFAULT_SCALE;
        exports.MIN_SCALE = MIN_SCALE;
        exports.MAX_SCALE = MAX_SCALE;
        exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
        exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
        exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
        exports.VERTICAL_PADDING = VERTICAL_PADDING;
        exports.isValidRotation = isValidRotation;
        exports.isPortraitOrientation = isPortraitOrientation;
        exports.PresentationModeState = PresentationModeState;
        exports.RendererType = RendererType;
        exports.TextLayerMode = TextLayerMode;
        exports.NullL10n = NullL10n;
        exports.EventBus = EventBus;
        exports.ProgressBar = ProgressBar;
        exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
        exports.noContextMenuHandler = noContextMenuHandler;
        exports.parseQueryString = parseQueryString;
        exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
        exports.getVisibleElements = getVisibleElements;
        exports.roundToDivide = roundToDivide;
        exports.getPageSizeInches = getPageSizeInches;
        exports.approximateFraction = approximateFraction;
        exports.getOutputScale = getOutputScale;
        exports.scrollIntoView = scrollIntoView;
        exports.watchScroll = watchScroll;
        exports.binarySearchFirstItem = binarySearchFirstItem;
        exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
        exports.animationStarted = animationStarted;
        exports.WaitOnType = WaitOnType;
        exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
        exports.moveToEndOfArray = moveToEndOfArray;

        /***/ }),
      /* 7 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        var pdfjsLib = void 0;
        if (typeof window !== 'undefined' && window['pdfjs-dist/build/pdf']) {
          pdfjsLib = window['pdfjs-dist/build/pdf'];
        } else {
          pdfjsLib = require('../build/pdf.js');
        }
        module.exports = pdfjsLib;

        /***/ }),
      /* 8 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFCursorTools = exports.CursorTool = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _grab_to_pan = __webpack_require__(9);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var CursorTool = {
          SELECT: 0,
          HAND: 1,
          ZOOM: 2
        };

        var PDFCursorTools = function () {
          function PDFCursorTools(_ref) {
            var _this = this;

            var container = _ref.container,
                eventBus = _ref.eventBus,
                _ref$cursorToolOnLoad = _ref.cursorToolOnLoad,
                cursorToolOnLoad = _ref$cursorToolOnLoad === undefined ? CursorTool.SELECT : _ref$cursorToolOnLoad;

            _classCallCheck(this, PDFCursorTools);

            this.container = container;
            this.eventBus = eventBus;
            this.active = CursorTool.SELECT;
            this.activeBeforePresentationMode = null;
            this.handTool = new _grab_to_pan.GrabToPan({ element: this.container });
            this._addEventListeners();
            Promise.resolve().then(function () {
              _this.switchTool(cursorToolOnLoad);
            });
          }

          _createClass(PDFCursorTools, [{
            key: 'switchTool',
            value: function switchTool(tool) {
              var _this2 = this;

              if (this.activeBeforePresentationMode !== null) {
                return;
              }
              if (tool === this.active) {
                return;
              }
              var disableActiveTool = function disableActiveTool() {
                switch (_this2.active) {
                  case CursorTool.SELECT:
                    break;
                  case CursorTool.HAND:
                    _this2.handTool.deactivate();
                    break;
                  case CursorTool.ZOOM:
                }
              };
              switch (tool) {
                case CursorTool.SELECT:
                  disableActiveTool();
                  break;
                case CursorTool.HAND:
                  disableActiveTool();
                  this.handTool.activate();
                  break;
                case CursorTool.ZOOM:
                default:
                  console.error('switchTool: "' + tool + '" is an unsupported value.');
                  return;
              }
              this.active = tool;
              this._dispatchEvent();
            }
          }, {
            key: '_dispatchEvent',
            value: function _dispatchEvent() {
              this.eventBus.dispatch('cursortoolchanged', {
                source: this,
                tool: this.active
              });
            }
          }, {
            key: '_addEventListeners',
            value: function _addEventListeners() {
              var _this3 = this;

              this.eventBus.on('switchcursortool', function (evt) {
                _this3.switchTool(evt.tool);
              });
              this.eventBus.on('presentationmodechanged', function (evt) {
                if (evt.switchInProgress) {
                  return;
                }
                var previouslyActive = void 0;
                if (evt.active) {
                  previouslyActive = _this3.active;
                  _this3.switchTool(CursorTool.SELECT);
                  _this3.activeBeforePresentationMode = previouslyActive;
                } else {
                  previouslyActive = _this3.activeBeforePresentationMode;
                  _this3.activeBeforePresentationMode = null;
                  _this3.switchTool(previouslyActive);
                }
              });
            }
          }, {
            key: 'activeTool',
            get: function get() {
              return this.active;
            }
          }]);

          return PDFCursorTools;
        }();

        exports.CursorTool = CursorTool;
        exports.PDFCursorTools = PDFCursorTools;

        /***/ }),
      /* 9 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        function GrabToPan(options) {
          this.element = options.element;
          this.document = options.element.ownerDocument;
          if (typeof options.ignoreTarget === 'function') {
            this.ignoreTarget = options.ignoreTarget;
          }
          this.onActiveChanged = options.onActiveChanged;
          this.activate = this.activate.bind(this);
          this.deactivate = this.deactivate.bind(this);
          this.toggle = this.toggle.bind(this);
          this._onmousedown = this._onmousedown.bind(this);
          this._onmousemove = this._onmousemove.bind(this);
          this._endPan = this._endPan.bind(this);
          var overlay = this.overlay = document.createElement('div');
          overlay.className = 'grab-to-pan-grabbing';
        }
        GrabToPan.prototype = {
          CSS_CLASS_GRAB: 'grab-to-pan-grab',
          activate: function GrabToPan_activate() {
            if (!this.active) {
              this.active = true;
              this.element.addEventListener('mousedown', this._onmousedown, true);
              this.element.classList.add(this.CSS_CLASS_GRAB);
              if (this.onActiveChanged) {
                this.onActiveChanged(true);
              }
            }
          },
          deactivate: function GrabToPan_deactivate() {
            if (this.active) {
              this.active = false;
              this.element.removeEventListener('mousedown', this._onmousedown, true);
              this._endPan();
              this.element.classList.remove(this.CSS_CLASS_GRAB);
              if (this.onActiveChanged) {
                this.onActiveChanged(false);
              }
            }
          },
          toggle: function GrabToPan_toggle() {
            if (this.active) {
              this.deactivate();
            } else {
              this.activate();
            }
          },
          ignoreTarget: function GrabToPan_ignoreTarget(node) {
            return node[matchesSelector]('a[href], a[href] *, input, textarea, button, button *, select, option');
          },
          _onmousedown: function GrabToPan__onmousedown(event) {
            if (event.button !== 0 || this.ignoreTarget(event.target)) {
              return;
            }
            if (event.originalTarget) {
              try {
                event.originalTarget.tagName;
              } catch (e) {
                return;
              }
            }
            this.scrollLeftStart = this.element.scrollLeft;
            this.scrollTopStart = this.element.scrollTop;
            this.clientXStart = event.clientX;
            this.clientYStart = event.clientY;
            this.document.addEventListener('mousemove', this._onmousemove, true);
            this.document.addEventListener('mouseup', this._endPan, true);
            this.element.addEventListener('scroll', this._endPan, true);
            event.preventDefault();
            event.stopPropagation();
            var focusedElement = document.activeElement;
            if (focusedElement && !focusedElement.contains(event.target)) {
              focusedElement.blur();
            }
          },
          _onmousemove: function GrabToPan__onmousemove(event) {
            this.element.removeEventListener('scroll', this._endPan, true);
            if (isLeftMouseReleased(event)) {
              this._endPan();
              return;
            }
            var xDiff = event.clientX - this.clientXStart;
            var yDiff = event.clientY - this.clientYStart;
            var scrollTop = this.scrollTopStart - yDiff;
            var scrollLeft = this.scrollLeftStart - xDiff;
            if (this.element.scrollTo) {
              this.element.scrollTo({
                top: scrollTop,
                left: scrollLeft,
                behavior: 'instant'
              });
            } else {
              this.element.scrollTop = scrollTop;
              this.element.scrollLeft = scrollLeft;
            }
            if (!this.overlay.parentNode) {
              document.body.appendChild(this.overlay);
            }
          },
          _endPan: function GrabToPan__endPan() {
            this.element.removeEventListener('scroll', this._endPan, true);
            this.document.removeEventListener('mousemove', this._onmousemove, true);
            this.document.removeEventListener('mouseup', this._endPan, true);
            this.overlay.remove();
          }
        };
        var matchesSelector;
        ['webkitM', 'mozM', 'msM', 'oM', 'm'].some(function (prefix) {
          var name = prefix + 'atches';
          if (name in document.documentElement) {
            matchesSelector = name;
          }
          name += 'Selector';
          if (name in document.documentElement) {
            matchesSelector = name;
          }
          return matchesSelector;
        });
        var isNotIEorIsIE10plus = !document.documentMode || document.documentMode > 9;
        var chrome = window.chrome;
        var isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app);
        var isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent);
        function isLeftMouseReleased(event) {
          if ('buttons' in event && isNotIEorIsIE10plus) {
            return !(event.buttons & 1);
          }
          if (isChrome15OrOpera15plus || isSafari6plus) {
            return event.which === 0;
          }
        }
        exports.GrabToPan = GrabToPan;

        /***/ }),
      /* 10 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var CLEANUP_TIMEOUT = 30000;
        var RenderingStates = {
          INITIAL: 0,
          RUNNING: 1,
          PAUSED: 2,
          FINISHED: 3
        };

        var PDFRenderingQueue = function () {
          function PDFRenderingQueue() {
            _classCallCheck(this, PDFRenderingQueue);

            this.pdfViewer = null;
            this.pdfThumbnailViewer = null;
            this.onIdle = null;
            this.highestPriorityPage = null;
            this.idleTimeout = null;
            this.printing = false;
            this.isThumbnailViewEnabled = false;
          }

          _createClass(PDFRenderingQueue, [{
            key: "setViewer",
            value: function setViewer(pdfViewer) {
              this.pdfViewer = pdfViewer;
            }
          }, {
            key: "setThumbnailViewer",
            value: function setThumbnailViewer(pdfThumbnailViewer) {
              this.pdfThumbnailViewer = pdfThumbnailViewer;
            }
          }, {
            key: "isHighestPriority",
            value: function isHighestPriority(view) {
              return this.highestPriorityPage === view.renderingId;
            }
          }, {
            key: "renderHighestPriority",
            value: function renderHighestPriority(currentlyVisiblePages) {
              if (this.idleTimeout) {
                clearTimeout(this.idleTimeout);
                this.idleTimeout = null;
              }
              if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
                return;
              }
              if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
                if (this.pdfThumbnailViewer.forceRendering()) {
                  return;
                }
              }
              if (this.printing) {
                return;
              }
              if (this.onIdle) {
                this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
              }
            }
          }, {
            key: "getHighestPriority",
            value: function getHighestPriority(visible, views, scrolledDown) {
              var visibleViews = visible.views;
              var numVisible = visibleViews.length;
              if (numVisible === 0) {
                return false;
              }
              for (var i = 0; i < numVisible; ++i) {
                var view = visibleViews[i].view;
                if (!this.isViewFinished(view)) {
                  return view;
                }
              }
              if (scrolledDown) {
                var nextPageIndex = visible.last.id;
                if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
                  return views[nextPageIndex];
                }
              } else {
                var previousPageIndex = visible.first.id - 2;
                if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
                  return views[previousPageIndex];
                }
              }
              return null;
            }
          }, {
            key: "isViewFinished",
            value: function isViewFinished(view) {
              return view.renderingState === RenderingStates.FINISHED;
            }
          }, {
            key: "renderView",
            value: function renderView(view) {
              var _this = this;

              switch (view.renderingState) {
                case RenderingStates.FINISHED:
                  return false;
                case RenderingStates.PAUSED:
                  this.highestPriorityPage = view.renderingId;
                  view.resume();
                  break;
                case RenderingStates.RUNNING:
                  this.highestPriorityPage = view.renderingId;
                  break;
                case RenderingStates.INITIAL:
                  this.highestPriorityPage = view.renderingId;
                  var continueRendering = function continueRendering() {
                    _this.renderHighestPriority();
                  };
                  view.draw().then(continueRendering, continueRendering);
                  break;
              }
              return true;
            }
          }]);

          return PDFRenderingQueue;
        }();

        exports.RenderingStates = RenderingStates;
        exports.PDFRenderingQueue = PDFRenderingQueue;

        /***/ }),
      /* 11 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFSidebar = exports.SidebarView = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _ui_utils = __webpack_require__(6);

        var _pdf_rendering_queue = __webpack_require__(10);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var UI_NOTIFICATION_CLASS = 'pdfSidebarNotification';
        var SidebarView = {
          NONE: 0,
          THUMBS: 1,
          OUTLINE: 2,
          ATTACHMENTS: 3
        };

        var PDFSidebar = function () {
          function PDFSidebar(options, eventBus) {
            var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

            _classCallCheck(this, PDFSidebar);

            this.isOpen = false;
            this.active = SidebarView.THUMBS;
            this.isInitialViewSet = false;
            this.onToggled = null;
            this.pdfViewer = options.pdfViewer;
            this.pdfThumbnailViewer = options.pdfThumbnailViewer;
            this.outerContainer = options.outerContainer;
            this.viewerContainer = options.viewerContainer;
            this.toggleButton = options.toggleButton;
            this.thumbnailButton = options.thumbnailButton;
            this.outlineButton = options.outlineButton;
            this.attachmentsButton = options.attachmentsButton;
            this.thumbnailView = options.thumbnailView;
            this.outlineView = options.outlineView;
            this.attachmentsView = options.attachmentsView;
            this.disableNotification = options.disableNotification || false;
            this.eventBus = eventBus;
            this.l10n = l10n;
            this._addEventListeners();
          }

          _createClass(PDFSidebar, [{
            key: 'reset',
            value: function reset() {
              this.isInitialViewSet = false;
              this._hideUINotification(null);
              this.switchView(SidebarView.THUMBS);
              this.outlineButton.disabled = false;
              this.attachmentsButton.disabled = false;
            }
          }, {
            key: 'setInitialView',
            value: function setInitialView() {
              var view = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : SidebarView.NONE;

              if (this.isInitialViewSet) {
                return;
              }
              this.isInitialViewSet = true;
              if (this.isOpen && view === SidebarView.NONE) {
                this._dispatchEvent();
                return;
              }
              var isViewPreserved = view === this.visibleView;
              this.switchView(view, true);
              if (isViewPreserved) {
                this._dispatchEvent();
              }
            }
          }, {
            key: 'switchView',
            value: function switchView(view) {
              var forceOpen = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

              if (view === SidebarView.NONE) {
                this.close();
                return;
              }
              var isViewChanged = view !== this.active;
              var shouldForceRendering = false;
              switch (view) {
                case SidebarView.THUMBS:
                  this.thumbnailButton.classList.add('toggled');
                  this.outlineButton.classList.remove('toggled');
                  this.attachmentsButton.classList.remove('toggled');
                  this.thumbnailView.classList.remove('hidden');
                  this.outlineView.classList.add('hidden');
                  this.attachmentsView.classList.add('hidden');
                  if (this.isOpen && isViewChanged) {
                    this._updateThumbnailViewer();
                    shouldForceRendering = true;
                  }
                  break;
                case SidebarView.OUTLINE:
                  if (this.outlineButton.disabled) {
                    return;
                  }
                  this.thumbnailButton.classList.remove('toggled');
                  this.outlineButton.classList.add('toggled');
                  this.attachmentsButton.classList.remove('toggled');
                  this.thumbnailView.classList.add('hidden');
                  this.outlineView.classList.remove('hidden');
                  this.attachmentsView.classList.add('hidden');
                  break;
                case SidebarView.ATTACHMENTS:
                  if (this.attachmentsButton.disabled) {
                    return;
                  }
                  this.thumbnailButton.classList.remove('toggled');
                  this.outlineButton.classList.remove('toggled');
                  this.attachmentsButton.classList.add('toggled');
                  this.thumbnailView.classList.add('hidden');
                  this.outlineView.classList.add('hidden');
                  this.attachmentsView.classList.remove('hidden');
                  break;
                default:
                  console.error('PDFSidebar_switchView: "' + view + '" is an unsupported value.');
                  return;
              }
              this.active = view | 0;
              if (forceOpen && !this.isOpen) {
                this.open();
                return;
              }
              if (shouldForceRendering) {
                this._forceRendering();
              }
              if (isViewChanged) {
                this._dispatchEvent();
              }
              this._hideUINotification(this.active);
            }
          }, {
            key: 'open',
            value: function open() {
              if (this.isOpen) {
                return;
              }
              this.isOpen = true;
              this.toggleButton.classList.add('toggled');
              this.outerContainer.classList.add('sidebarMoving');
              this.outerContainer.classList.add('sidebarOpen');
              if (this.active === SidebarView.THUMBS) {
                this._updateThumbnailViewer();
              }
              this._forceRendering();
              this._dispatchEvent();
              this._hideUINotification(this.active);
            }
          }, {
            key: 'close',
            value: function close() {
              if (!this.isOpen) {
                return;
              }
              this.isOpen = false;
              this.toggleButton.classList.remove('toggled');
              this.outerContainer.classList.add('sidebarMoving');
              this.outerContainer.classList.remove('sidebarOpen');
              this._forceRendering();
              this._dispatchEvent();
            }
          }, {
            key: 'toggle',
            value: function toggle() {
              if (this.isOpen) {
                this.close();
              } else {
                this.open();
              }
            }
          }, {
            key: '_dispatchEvent',
            value: function _dispatchEvent() {
              this.eventBus.dispatch('sidebarviewchanged', {
                source: this,
                view: this.visibleView
              });
            }
          }, {
            key: '_forceRendering',
            value: function _forceRendering() {
              if (this.onToggled) {
                this.onToggled();
              } else {
                this.pdfViewer.forceRendering();
                this.pdfThumbnailViewer.forceRendering();
              }
            }
          }, {
            key: '_updateThumbnailViewer',
            value: function _updateThumbnailViewer() {
              var pdfViewer = this.pdfViewer,
                  pdfThumbnailViewer = this.pdfThumbnailViewer;

              var pagesCount = pdfViewer.pagesCount;
              for (var pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
                var pageView = pdfViewer.getPageView(pageIndex);
                if (pageView && pageView.renderingState === _pdf_rendering_queue.RenderingStates.FINISHED) {
                  var thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex);
                  thumbnailView.setImage(pageView);
                }
              }
              pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
            }
          }, {
            key: '_showUINotification',
            value: function _showUINotification(view) {
              var _this = this;

              if (this.disableNotification) {
                return;
              }
              this.l10n.get('toggle_sidebar_notification.title', null, 'Toggle Sidebar (document contains outline/attachments)').then(function (msg) {
                _this.toggleButton.title = msg;
              });
              if (!this.isOpen) {
                this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
              } else if (view === this.active) {
                return;
              }
              switch (view) {
                case SidebarView.OUTLINE:
                  this.outlineButton.classList.add(UI_NOTIFICATION_CLASS);
                  break;
                case SidebarView.ATTACHMENTS:
                  this.attachmentsButton.classList.add(UI_NOTIFICATION_CLASS);
                  break;
              }
            }
          }, {
            key: '_hideUINotification',
            value: function _hideUINotification(view) {
              var _this2 = this;

              if (this.disableNotification) {
                return;
              }
              var removeNotification = function removeNotification(view) {
                switch (view) {
                  case SidebarView.OUTLINE:
                    _this2.outlineButton.classList.remove(UI_NOTIFICATION_CLASS);
                    break;
                  case SidebarView.ATTACHMENTS:
                    _this2.attachmentsButton.classList.remove(UI_NOTIFICATION_CLASS);
                    break;
                }
              };
              if (!this.isOpen && view !== null) {
                return;
              }
              this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
              if (view !== null) {
                removeNotification(view);
                return;
              }
              for (view in SidebarView) {
                removeNotification(SidebarView[view]);
              }
              this.l10n.get('toggle_sidebar.title', null, 'Toggle Sidebar').then(function (msg) {
                _this2.toggleButton.title = msg;
              });
            }
          }, {
            key: '_addEventListeners',
            value: function _addEventListeners() {
              var _this3 = this;

              this.viewerContainer.addEventListener('transitionend', function (evt) {
                if (evt.target === _this3.viewerContainer) {
                  _this3.outerContainer.classList.remove('sidebarMoving');
                }
              });
              this.thumbnailButton.addEventListener('click', function () {
                _this3.switchView(SidebarView.THUMBS);
              });
              this.outlineButton.addEventListener('click', function () {
                _this3.switchView(SidebarView.OUTLINE);
              });
              this.outlineButton.addEventListener('dblclick', function () {
                _this3.eventBus.dispatch('toggleoutlinetree', { source: _this3 });
              });
              this.attachmentsButton.addEventListener('click', function () {
                _this3.switchView(SidebarView.ATTACHMENTS);
              });
              this.eventBus.on('outlineloaded', function (evt) {
                var outlineCount = evt.outlineCount;
                _this3.outlineButton.disabled = !outlineCount;
                if (outlineCount) {
                  _this3._showUINotification(SidebarView.OUTLINE);
                } else if (_this3.active === SidebarView.OUTLINE) {
                  _this3.switchView(SidebarView.THUMBS);
                }
              });
              this.eventBus.on('attachmentsloaded', function (evt) {
                if (evt.attachmentsCount) {
                  _this3.attachmentsButton.disabled = false;
                  _this3._showUINotification(SidebarView.ATTACHMENTS);
                  return;
                }
                Promise.resolve().then(function () {
                  if (_this3.attachmentsView.hasChildNodes()) {
                    return;
                  }
                  _this3.attachmentsButton.disabled = true;
                  if (_this3.active === SidebarView.ATTACHMENTS) {
                    _this3.switchView(SidebarView.THUMBS);
                  }
                });
              });
              this.eventBus.on('presentationmodechanged', function (evt) {
                if (!evt.active && !evt.switchInProgress && _this3.isThumbnailViewVisible) {
                  _this3._updateThumbnailViewer();
                }
              });
            }
          }, {
            key: 'visibleView',
            get: function get() {
              return this.isOpen ? this.active : SidebarView.NONE;
            }
          }, {
            key: 'isThumbnailViewVisible',
            get: function get() {
              return this.isOpen && this.active === SidebarView.THUMBS;
            }
          }, {
            key: 'isOutlineViewVisible',
            get: function get() {
              return this.isOpen && this.active === SidebarView.OUTLINE;
            }
          }, {
            key: 'isAttachmentsViewVisible',
            get: function get() {
              return this.isOpen && this.active === SidebarView.ATTACHMENTS;
            }
          }]);

          return PDFSidebar;
        }();

        exports.SidebarView = SidebarView;
        exports.PDFSidebar = PDFSidebar;

        /***/ }),
      /* 12 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.OptionKind = exports.AppOptions = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _pdfjsLib = __webpack_require__(7);

        var _viewer_compatibility = __webpack_require__(13);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var OptionKind = {
          VIEWER: 'viewer',
          API: 'api',
          WORKER: 'worker'
        };
        var defaultOptions = {
          cursorToolOnLoad: {
            value: 0,
            kind: OptionKind.VIEWER
          },
          defaultUrl: {
            value: 'compressed.tracemonkey-pldi-09.pdf',
            kind: OptionKind.VIEWER
          },
          defaultZoomValue: {
            value: '',
            kind: OptionKind.VIEWER
          },
          disableHistory: {
            value: false,
            kind: OptionKind.VIEWER
          },
          disablePageLabels: {
            value: false,
            kind: OptionKind.VIEWER
          },
          disablePageMode: {
            value: false,
            kind: OptionKind.VIEWER
          },
          enablePrintAutoRotate: {
            value: false,
            kind: OptionKind.VIEWER
          },
          enableWebGL: {
            value: false,
            kind: OptionKind.VIEWER
          },
          eventBusDispatchToDOM: {
            value: false,
            kind: OptionKind.VIEWER
          },
          externalLinkRel: {
            value: 'noopener noreferrer nofollow',
            kind: OptionKind.VIEWER
          },
          externalLinkTarget: {
            value: 0,
            kind: OptionKind.VIEWER
          },
          imageResourcesPath: {
            value: './images/',
            kind: OptionKind.VIEWER
          },
          maxCanvasPixels: {
            value: _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216,
            kind: OptionKind.VIEWER
          },
          pdfBugEnabled: {
            value: false,
            kind: OptionKind.VIEWER
          },
          renderer: {
            value: 'canvas',
            kind: OptionKind.VIEWER
          },
          renderInteractiveForms: {
            value: false,
            kind: OptionKind.VIEWER
          },
          showPreviousViewOnLoad: {
            value: true,
            kind: OptionKind.VIEWER
          },
          sidebarViewOnLoad: {
            value: 0,
            kind: OptionKind.VIEWER
          },
          scrollModeOnLoad: {
            value: 0,
            kind: OptionKind.VIEWER
          },
          spreadModeOnLoad: {
            value: 0,
            kind: OptionKind.VIEWER
          },
          textLayerMode: {
            value: 1,
            kind: OptionKind.VIEWER
          },
          useOnlyCssZoom: {
            value: false,
            kind: OptionKind.VIEWER
          },
          cMapPacked: {
            value: true,
            kind: OptionKind.API
          },
          cMapUrl: {
            value: '../web/cmaps/',
            kind: OptionKind.API
          },
          disableAutoFetch: {
            value: false,
            kind: OptionKind.API
          },
          disableCreateObjectURL: {
            value: _pdfjsLib.apiCompatibilityParams.disableCreateObjectURL || false,
            kind: OptionKind.API
          },
          disableFontFace: {
            value: false,
            kind: OptionKind.API
          },
          disableRange: {
            value: false,
            kind: OptionKind.API
          },
          disableStream: {
            value: false,
            kind: OptionKind.API
          },
          isEvalSupported: {
            value: true,
            kind: OptionKind.API
          },
          maxImageSize: {
            value: -1,
            kind: OptionKind.API
          },
          pdfBug: {
            value: false,
            kind: OptionKind.API
          },
          postMessageTransfers: {
            value: true,
            kind: OptionKind.API
          },
          verbosity: {
            value: 1,
            kind: OptionKind.API
          },
          workerPort: {
            value: null,
            kind: OptionKind.WORKER
          },
          workerSrc: {
            value: '../build/pdf.worker.js',
            kind: OptionKind.WORKER
          }
        };
        {
          defaultOptions.locale = {
            value: typeof navigator !== 'undefined' ? navigator.language : 'en-US',
            kind: OptionKind.VIEWER
          };
        }
        var userOptions = Object.create(null);

        var AppOptions = function () {
          function AppOptions() {
            _classCallCheck(this, AppOptions);

            throw new Error('Cannot initialize AppOptions.');
          }

          _createClass(AppOptions, null, [{
            key: 'get',
            value: function get(name) {
              var defaultOption = defaultOptions[name],
                  userOption = userOptions[name];
              if (userOption !== undefined) {
                return userOption;
              }
              return defaultOption !== undefined ? defaultOption.value : undefined;
            }
          }, {
            key: 'getAll',
            value: function getAll() {
              var kind = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

              var options = Object.create(null);
              for (var name in defaultOptions) {
                var defaultOption = defaultOptions[name],
                    userOption = userOptions[name];
                if (kind && defaultOption.kind !== kind) {
                  continue;
                }
                options[name] = userOption !== undefined ? userOption : defaultOption.value;
              }
              return options;
            }
          }, {
            key: 'set',
            value: function set(name, value) {
              userOptions[name] = value;
            }
          }, {
            key: 'remove',
            value: function remove(name) {
              delete userOptions[name];
            }
          }]);

          return AppOptions;
        }();

        exports.AppOptions = AppOptions;
        exports.OptionKind = OptionKind;

        /***/ }),
      /* 13 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        var compatibilityParams = Object.create(null);
        {
          var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || '';
          var isAndroid = /Android/.test(userAgent);
          var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
          (function checkCanvasSizeLimitation() {
            if (isIOS || isAndroid) {
              compatibilityParams.maxCanvasPixels = 5242880;
            }
          })();
        }
        exports.viewerCompatibilityParams = Object.freeze(compatibilityParams);

        /***/ }),
      /* 14 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.getGlobalEventBus = exports.attachDOMEventsToEventBus = undefined;

        var _ui_utils = __webpack_require__(6);

        function attachDOMEventsToEventBus(eventBus) {
          eventBus.on('documentload', function () {
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('documentload', true, true, {});
            window.dispatchEvent(event);
          });
          eventBus.on('pagerendered', function (evt) {
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('pagerendered', true, true, {
              pageNumber: evt.pageNumber,
              cssTransform: evt.cssTransform
            });
            evt.source.div.dispatchEvent(event);
          });
          eventBus.on('textlayerrendered', function (evt) {
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('textlayerrendered', true, true, { pageNumber: evt.pageNumber });
            evt.source.textLayerDiv.dispatchEvent(event);
          });
          eventBus.on('pagechange', function (evt) {
            var event = document.createEvent('UIEvents');
            event.initUIEvent('pagechange', true, true, window, 0);
            event.pageNumber = evt.pageNumber;
            evt.source.container.dispatchEvent(event);
          });
          eventBus.on('pagesinit', function (evt) {
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('pagesinit', true, true, null);
            evt.source.container.dispatchEvent(event);
          });
          eventBus.on('pagesloaded', function (evt) {
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('pagesloaded', true, true, { pagesCount: evt.pagesCount });
            evt.source.container.dispatchEvent(event);
          });
          eventBus.on('scalechange', function (evt) {
            var event = document.createEvent('UIEvents');
            event.initUIEvent('scalechange', true, true, window, 0);
            event.scale = evt.scale;
            event.presetValue = evt.presetValue;
            evt.source.container.dispatchEvent(event);
          });
          eventBus.on('updateviewarea', function (evt) {
            var event = document.createEvent('UIEvents');
            event.initUIEvent('updateviewarea', true, true, window, 0);
            event.location = evt.location;
            evt.source.container.dispatchEvent(event);
          });
          eventBus.on('find', function (evt) {
            if (evt.source === window) {
              return;
            }
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('find' + evt.type, true, true, {
              query: evt.query,
              phraseSearch: evt.phraseSearch,
              caseSensitive: evt.caseSensitive,
              highlightAll: evt.highlightAll,
              findPrevious: evt.findPrevious
            });
            window.dispatchEvent(event);
          });
          eventBus.on('attachmentsloaded', function (evt) {
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: evt.attachmentsCount });
            evt.source.container.dispatchEvent(event);
          });
          eventBus.on('sidebarviewchanged', function (evt) {
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('sidebarviewchanged', true, true, { view: evt.view });
            evt.source.outerContainer.dispatchEvent(event);
          });
          eventBus.on('pagemode', function (evt) {
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('pagemode', true, true, { mode: evt.mode });
            evt.source.pdfViewer.container.dispatchEvent(event);
          });
          eventBus.on('namedaction', function (evt) {
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('namedaction', true, true, { action: evt.action });
            evt.source.pdfViewer.container.dispatchEvent(event);
          });
          eventBus.on('presentationmodechanged', function (evt) {
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('presentationmodechanged', true, true, {
              active: evt.active,
              switchInProgress: evt.switchInProgress
            });
            window.dispatchEvent(event);
          });
          eventBus.on('outlineloaded', function (evt) {
            var event = document.createEvent('CustomEvent');
            event.initCustomEvent('outlineloaded', true, true, { outlineCount: evt.outlineCount });
            evt.source.container.dispatchEvent(event);
          });
        }
        var globalEventBus = null;
        function getGlobalEventBus() {
          var dispatchToDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

          if (!globalEventBus) {
            globalEventBus = new _ui_utils.EventBus({ dispatchToDOM: dispatchToDOM });
            if (!dispatchToDOM) {
              attachDOMEventsToEventBus(globalEventBus);
            }
          }
          return globalEventBus;
        }
        exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus;
        exports.getGlobalEventBus = getGlobalEventBus;

        /***/ }),
      /* 15 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.OverlayManager = undefined;

        var _regenerator = __webpack_require__(2);

        var _regenerator2 = _interopRequireDefault(_regenerator);

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

        function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var OverlayManager = function () {
          function OverlayManager() {
            _classCallCheck(this, OverlayManager);

            this._overlays = {};
            this._active = null;
            this._keyDownBound = this._keyDown.bind(this);
          }

          _createClass(OverlayManager, [{
            key: 'register',
            value: function () {
              var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee(name, element) {
                var callerCloseMethod = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
                var canForceClose = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
                var container;
                return _regenerator2.default.wrap(function _callee$(_context) {
                  while (1) {
                    switch (_context.prev = _context.next) {
                      case 0:
                        container = void 0;

                        if (!(!name || !element || !(container = element.parentNode))) {
                          _context.next = 5;
                          break;
                        }

                        throw new Error('Not enough parameters.');

                      case 5:
                        if (!this._overlays[name]) {
                          _context.next = 7;
                          break;
                        }

                        throw new Error('The overlay is already registered.');

                      case 7:
                        this._overlays[name] = {
                          element: element,
                          container: container,
                          callerCloseMethod: callerCloseMethod,
                          canForceClose: canForceClose
                        };

                      case 8:
                      case 'end':
                        return _context.stop();
                    }
                  }
                }, _callee, this);
              }));

              function register(_x3, _x4) {
                return _ref.apply(this, arguments);
              }

              return register;
            }()
          }, {
            key: 'unregister',
            value: function () {
              var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2(name) {
                return _regenerator2.default.wrap(function _callee2$(_context2) {
                  while (1) {
                    switch (_context2.prev = _context2.next) {
                      case 0:
                        if (this._overlays[name]) {
                          _context2.next = 4;
                          break;
                        }

                        throw new Error('The overlay does not exist.');

                      case 4:
                        if (!(this._active === name)) {
                          _context2.next = 6;
                          break;
                        }

                        throw new Error('The overlay cannot be removed while it is active.');

                      case 6:
                        delete this._overlays[name];

                      case 7:
                      case 'end':
                        return _context2.stop();
                    }
                  }
                }, _callee2, this);
              }));

              function unregister(_x5) {
                return _ref2.apply(this, arguments);
              }

              return unregister;
            }()
          }, {
            key: 'open',
            value: function () {
              var _ref3 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee3(name) {
                return _regenerator2.default.wrap(function _callee3$(_context3) {
                  while (1) {
                    switch (_context3.prev = _context3.next) {
                      case 0:
                        if (this._overlays[name]) {
                          _context3.next = 4;
                          break;
                        }

                        throw new Error('The overlay does not exist.');

                      case 4:
                        if (!this._active) {
                          _context3.next = 14;
                          break;
                        }

                        if (!this._overlays[name].canForceClose) {
                          _context3.next = 9;
                          break;
                        }

                        this._closeThroughCaller();
                        _context3.next = 14;
                        break;

                      case 9:
                        if (!(this._active === name)) {
                          _context3.next = 13;
                          break;
                        }

                        throw new Error('The overlay is already active.');

                      case 13:
                        throw new Error('Another overlay is currently active.');

                      case 14:
                        this._active = name;
                        this._overlays[this._active].element.classList.remove('hidden');
                        this._overlays[this._active].container.classList.remove('hidden');
                        window.addEventListener('keydown', this._keyDownBound);

                      case 18:
                      case 'end':
                        return _context3.stop();
                    }
                  }
                }, _callee3, this);
              }));

              function open(_x6) {
                return _ref3.apply(this, arguments);
              }

              return open;
            }()
          }, {
            key: 'close',
            value: function () {
              var _ref4 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee4(name) {
                return _regenerator2.default.wrap(function _callee4$(_context4) {
                  while (1) {
                    switch (_context4.prev = _context4.next) {
                      case 0:
                        if (this._overlays[name]) {
                          _context4.next = 4;
                          break;
                        }

                        throw new Error('The overlay does not exist.');

                      case 4:
                        if (this._active) {
                          _context4.next = 8;
                          break;
                        }

                        throw new Error('The overlay is currently not active.');

                      case 8:
                        if (!(this._active !== name)) {
                          _context4.next = 10;
                          break;
                        }

                        throw new Error('Another overlay is currently active.');

                      case 10:
                        this._overlays[this._active].container.classList.add('hidden');
                        this._overlays[this._active].element.classList.add('hidden');
                        this._active = null;
                        window.removeEventListener('keydown', this._keyDownBound);

                      case 14:
                      case 'end':
                        return _context4.stop();
                    }
                  }
                }, _callee4, this);
              }));

              function close(_x7) {
                return _ref4.apply(this, arguments);
              }

              return close;
            }()
          }, {
            key: '_keyDown',
            value: function _keyDown(evt) {
              if (this._active && evt.keyCode === 27) {
                this._closeThroughCaller();
                evt.preventDefault();
              }
            }
          }, {
            key: '_closeThroughCaller',
            value: function _closeThroughCaller() {
              if (this._overlays[this._active].callerCloseMethod) {
                this._overlays[this._active].callerCloseMethod();
              }
              if (this._active) {
                this.close(this._active);
              }
            }
          }, {
            key: 'active',
            get: function get() {
              return this._active;
            }
          }]);

          return OverlayManager;
        }();

        exports.OverlayManager = OverlayManager;

        /***/ }),
      /* 16 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PasswordPrompt = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _ui_utils = __webpack_require__(6);

        var _pdfjsLib = __webpack_require__(7);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var PasswordPrompt = function () {
          function PasswordPrompt(options, overlayManager) {
            var _this = this;

            var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

            _classCallCheck(this, PasswordPrompt);

            this.overlayName = options.overlayName;
            this.container = options.container;
            this.label = options.label;
            this.input = options.input;
            this.submitButton = options.submitButton;
            this.cancelButton = options.cancelButton;
            this.overlayManager = overlayManager;
            this.l10n = l10n;
            this.updateCallback = null;
            this.reason = null;
            this.submitButton.addEventListener('click', this.verify.bind(this));
            this.cancelButton.addEventListener('click', this.close.bind(this));
            this.input.addEventListener('keydown', function (e) {
              if (e.keyCode === 13) {
                _this.verify();
              }
            });
            this.overlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
          }

          _createClass(PasswordPrompt, [{
            key: 'open',
            value: function open() {
              var _this2 = this;

              this.overlayManager.open(this.overlayName).then(function () {
                _this2.input.focus();
                var promptString = void 0;
                if (_this2.reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD) {
                  promptString = _this2.l10n.get('password_invalid', null, 'Invalid password. Please try again.');
                } else {
                  promptString = _this2.l10n.get('password_label', null, 'Enter the password to open this PDF file.');
                }
                promptString.then(function (msg) {
                  _this2.label.textContent = msg;
                });
              });
            }
          }, {
            key: 'close',
            value: function close() {
              var _this3 = this;

              this.overlayManager.close(this.overlayName).then(function () {
                _this3.input.value = '';
              });
            }
          }, {
            key: 'verify',
            value: function verify() {
              var password = this.input.value;
              if (password && password.length > 0) {
                this.close();
                return this.updateCallback(password);
              }
            }
          }, {
            key: 'setUpdateCallback',
            value: function setUpdateCallback(updateCallback, reason) {
              this.updateCallback = updateCallback;
              this.reason = reason;
            }
          }]);

          return PasswordPrompt;
        }();

        exports.PasswordPrompt = PasswordPrompt;

        /***/ }),
      /* 17 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFAttachmentViewer = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _pdfjsLib = __webpack_require__(7);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var PDFAttachmentViewer = function () {
          function PDFAttachmentViewer(_ref) {
            var container = _ref.container,
                eventBus = _ref.eventBus,
                downloadManager = _ref.downloadManager;

            _classCallCheck(this, PDFAttachmentViewer);

            this.container = container;
            this.eventBus = eventBus;
            this.downloadManager = downloadManager;
            this.reset();
            this.eventBus.on('fileattachmentannotation', this._appendAttachment.bind(this));
          }

          _createClass(PDFAttachmentViewer, [{
            key: 'reset',
            value: function reset() {
              var keepRenderedCapability = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              this.attachments = null;
              this.container.textContent = '';
              if (!keepRenderedCapability) {
                this._renderedCapability = (0, _pdfjsLib.createPromiseCapability)();
              }
            }
          }, {
            key: '_dispatchEvent',
            value: function _dispatchEvent(attachmentsCount) {
              this._renderedCapability.resolve();
              this.eventBus.dispatch('attachmentsloaded', {
                source: this,
                attachmentsCount: attachmentsCount
              });
            }
          }, {
            key: '_bindPdfLink',
            value: function _bindPdfLink(button, content, filename) {
              if (this.downloadManager.disableCreateObjectURL) {
                throw new Error('bindPdfLink: Unsupported "disableCreateObjectURL" value.');
              }
              var blobUrl = void 0;
              button.onclick = function () {
                if (!blobUrl) {
                  blobUrl = (0, _pdfjsLib.createObjectURL)(content, 'application/pdf');
                }
                var viewerUrl = void 0;
                viewerUrl = '?file=' + encodeURIComponent(blobUrl + '#' + filename);
                window.open(viewerUrl);
                return false;
              };
            }
          }, {
            key: '_bindLink',
            value: function _bindLink(button, content, filename) {
              var _this = this;

              button.onclick = function () {
                _this.downloadManager.downloadData(content, filename, '');
                return false;
              };
            }
          }, {
            key: 'render',
            value: function render(_ref2) {
              var attachments = _ref2.attachments,
                  _ref2$keepRenderedCap = _ref2.keepRenderedCapability,
                  keepRenderedCapability = _ref2$keepRenderedCap === undefined ? false : _ref2$keepRenderedCap;

              var attachmentsCount = 0;
              if (this.attachments) {
                this.reset(keepRenderedCapability === true);
              }
              this.attachments = attachments || null;
              if (!attachments) {
                this._dispatchEvent(attachmentsCount);
                return;
              }
              var names = Object.keys(attachments).sort(function (a, b) {
                return a.toLowerCase().localeCompare(b.toLowerCase());
              });
              attachmentsCount = names.length;
              for (var i = 0; i < attachmentsCount; i++) {
                var item = attachments[names[i]];
                var filename = (0, _pdfjsLib.removeNullCharacters)((0, _pdfjsLib.getFilenameFromUrl)(item.filename));
                var div = document.createElement('div');
                div.className = 'attachmentsItem';
                var button = document.createElement('button');
                button.textContent = filename;
                if (/\.pdf$/i.test(filename) && !this.downloadManager.disableCreateObjectURL) {
                  this._bindPdfLink(button, item.content, filename);
                } else {
                  this._bindLink(button, item.content, filename);
                }
                div.appendChild(button);
                this.container.appendChild(div);
              }
              this._dispatchEvent(attachmentsCount);
            }
          }, {
            key: '_appendAttachment',
            value: function _appendAttachment(_ref3) {
              var _this2 = this;

              var id = _ref3.id,
                  filename = _ref3.filename,
                  content = _ref3.content;

              this._renderedCapability.promise.then(function () {
                var attachments = _this2.attachments;
                if (!attachments) {
                  attachments = Object.create(null);
                } else {
                  for (var name in attachments) {
                    if (id === name) {
                      return;
                    }
                  }
                }
                attachments[id] = {
                  filename: filename,
                  content: content
                };
                _this2.render({
                  attachments: attachments,
                  keepRenderedCapability: true
                });
              });
            }
          }]);

          return PDFAttachmentViewer;
        }();

        exports.PDFAttachmentViewer = PDFAttachmentViewer;

        /***/ }),
      /* 18 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFDocumentProperties = undefined;

        var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _ui_utils = __webpack_require__(6);

        var _pdfjsLib = __webpack_require__(7);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var DEFAULT_FIELD_CONTENT = '-';
        var NON_METRIC_LOCALES = ['en-us', 'en-lr', 'my'];
        var US_PAGE_NAMES = {
          '8.5x11': 'Letter',
          '8.5x14': 'Legal'
        };
        var METRIC_PAGE_NAMES = {
          '297x420': 'A3',
          '210x297': 'A4'
        };
        function getPageName(size, isPortrait, pageNames) {
          var width = isPortrait ? size.width : size.height;
          var height = isPortrait ? size.height : size.width;
          return pageNames[width + 'x' + height];
        }

        var PDFDocumentProperties = function () {
          function PDFDocumentProperties(_ref, overlayManager, eventBus) {
            var overlayName = _ref.overlayName,
                fields = _ref.fields,
                container = _ref.container,
                closeButton = _ref.closeButton;

            var _this = this;

            var l10n = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : _ui_utils.NullL10n;

            _classCallCheck(this, PDFDocumentProperties);

            this.overlayName = overlayName;
            this.fields = fields;
            this.container = container;
            this.overlayManager = overlayManager;
            this.l10n = l10n;
            this._reset();
            if (closeButton) {
              closeButton.addEventListener('click', this.close.bind(this));
            }
            this.overlayManager.register(this.overlayName, this.container, this.close.bind(this));
            if (eventBus) {
              eventBus.on('pagechanging', function (evt) {
                _this._currentPageNumber = evt.pageNumber;
              });
              eventBus.on('rotationchanging', function (evt) {
                _this._pagesRotation = evt.pagesRotation;
              });
            }
            this._isNonMetricLocale = true;
            l10n.getLanguage().then(function (locale) {
              _this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
            });
          }

          _createClass(PDFDocumentProperties, [{
            key: 'open',
            value: function open() {
              var _this2 = this;

              var freezeFieldData = function freezeFieldData(data) {
                Object.defineProperty(_this2, 'fieldData', {
                  value: Object.freeze(data),
                  writable: false,
                  enumerable: true,
                  configurable: true
                });
              };
              Promise.all([this.overlayManager.open(this.overlayName), this._dataAvailableCapability.promise]).then(function () {
                var currentPageNumber = _this2._currentPageNumber;
                var pagesRotation = _this2._pagesRotation;
                if (_this2.fieldData && currentPageNumber === _this2.fieldData['_currentPageNumber'] && pagesRotation === _this2.fieldData['_pagesRotation']) {
                  _this2._updateUI();
                  return;
                }
                _this2.pdfDocument.getMetadata().then(function (_ref2) {
                  var info = _ref2.info,
                      metadata = _ref2.metadata,
                      contentDispositionFilename = _ref2.contentDispositionFilename;

                  return Promise.all([info, metadata, contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(_this2.url || ''), _this2._parseFileSize(_this2.maybeFileSize), _this2._parseDate(info.CreationDate), _this2._parseDate(info.ModDate), _this2.pdfDocument.getPage(currentPageNumber).then(function (pdfPage) {
                    return _this2._parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation);
                  }), _this2._parseLinearization(info.IsLinearized)]);
                }).then(function (_ref3) {
                  var _ref4 = _slicedToArray(_ref3, 8),
                      info = _ref4[0],
                      metadata = _ref4[1],
                      fileName = _ref4[2],
                      fileSize = _ref4[3],
                      creationDate = _ref4[4],
                      modDate = _ref4[5],
                      pageSize = _ref4[6],
                      isLinearized = _ref4[7];

                  freezeFieldData({
                    'fileName': fileName,
                    'fileSize': fileSize,
                    'title': info.Title,
                    'author': info.Author,
                    'subject': info.Subject,
                    'keywords': info.Keywords,
                    'creationDate': creationDate,
                    'modificationDate': modDate,
                    'creator': info.Creator,
                    'producer': info.Producer,
                    'version': info.PDFFormatVersion,
                    'pageCount': _this2.pdfDocument.numPages,
                    'pageSize': pageSize,
                    'linearized': isLinearized,
                    '_currentPageNumber': currentPageNumber,
                    '_pagesRotation': pagesRotation
                  });
                  _this2._updateUI();
                  return _this2.pdfDocument.getDownloadInfo();
                }).then(function (_ref5) {
                  var length = _ref5.length;

                  _this2.maybeFileSize = length;
                  return _this2._parseFileSize(length);
                }).then(function (fileSize) {
                  if (fileSize === _this2.fieldData['fileSize']) {
                    return;
                  }
                  var data = Object.assign(Object.create(null), _this2.fieldData);
                  data['fileSize'] = fileSize;
                  freezeFieldData(data);
                  _this2._updateUI();
                });
              });
            }
          }, {
            key: 'close',
            value: function close() {
              this.overlayManager.close(this.overlayName);
            }
          }, {
            key: 'setDocument',
            value: function setDocument(pdfDocument) {
              var url = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

              if (this.pdfDocument) {
                this._reset();
                this._updateUI(true);
              }
              if (!pdfDocument) {
                return;
              }
              this.pdfDocument = pdfDocument;
              this.url = url;
              this._dataAvailableCapability.resolve();
            }
          }, {
            key: 'setFileSize',
            value: function setFileSize(fileSize) {
              if (Number.isInteger(fileSize) && fileSize > 0) {
                this.maybeFileSize = fileSize;
              }
            }
          }, {
            key: '_reset',
            value: function _reset() {
              this.pdfDocument = null;
              this.url = null;
              this.maybeFileSize = 0;
              delete this.fieldData;
              this._dataAvailableCapability = (0, _pdfjsLib.createPromiseCapability)();
              this._currentPageNumber = 1;
              this._pagesRotation = 0;
            }
          }, {
            key: '_updateUI',
            value: function _updateUI() {
              var reset = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              if (reset || !this.fieldData) {
                for (var id in this.fields) {
                  this.fields[id].textContent = DEFAULT_FIELD_CONTENT;
                }
                return;
              }
              if (this.overlayManager.active !== this.overlayName) {
                return;
              }
              for (var _id in this.fields) {
                var content = this.fieldData[_id];
                this.fields[_id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT;
              }
            }
          }, {
            key: '_parseFileSize',
            value: function _parseFileSize() {
              var fileSize = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;

              var kb = fileSize / 1024;
              if (!kb) {
                return Promise.resolve(undefined);
              } else if (kb < 1024) {
                return this.l10n.get('document_properties_kb', {
                  size_kb: (+kb.toPrecision(3)).toLocaleString(),
                  size_b: fileSize.toLocaleString()
                }, '{{size_kb}} KB ({{size_b}} bytes)');
              }
              return this.l10n.get('document_properties_mb', {
                size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
                size_b: fileSize.toLocaleString()
              }, '{{size_mb}} MB ({{size_b}} bytes)');
            }
          }, {
            key: '_parsePageSize',
            value: function _parsePageSize(pageSizeInches, pagesRotation) {
              var _this3 = this;

              if (!pageSizeInches) {
                return Promise.resolve(undefined);
              }
              if (pagesRotation % 180 !== 0) {
                pageSizeInches = {
                  width: pageSizeInches.height,
                  height: pageSizeInches.width
                };
              }
              var isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches);
              var sizeInches = {
                width: Math.round(pageSizeInches.width * 100) / 100,
                height: Math.round(pageSizeInches.height * 100) / 100
              };
              var sizeMillimeters = {
                width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
                height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
              };
              var pageName = null;
              var name = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
              if (!name && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
                var exactMillimeters = {
                  width: pageSizeInches.width * 25.4,
                  height: pageSizeInches.height * 25.4
                };
                var intMillimeters = {
                  width: Math.round(sizeMillimeters.width),
                  height: Math.round(sizeMillimeters.height)
                };
                if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
                  name = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);
                  if (name) {
                    sizeInches = {
                      width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
                      height: Math.round(intMillimeters.height / 25.4 * 100) / 100
                    };
                    sizeMillimeters = intMillimeters;
                  }
                }
              }
              if (name) {
                pageName = this.l10n.get('document_properties_page_size_name_' + name.toLowerCase(), null, name);
              }
              return Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get('document_properties_page_size_unit_' + (this._isNonMetricLocale ? 'inches' : 'millimeters'), null, this._isNonMetricLocale ? 'in' : 'mm'), pageName, this.l10n.get('document_properties_page_size_orientation_' + (isPortrait ? 'portrait' : 'landscape'), null, isPortrait ? 'portrait' : 'landscape')]).then(function (_ref6) {
                var _ref7 = _slicedToArray(_ref6, 4),
                    _ref7$ = _ref7[0],
                    width = _ref7$.width,
                    height = _ref7$.height,
                    unit = _ref7[1],
                    name = _ref7[2],
                    orientation = _ref7[3];

                return _this3.l10n.get('document_properties_page_size_dimension_' + (name ? 'name_' : '') + 'string', {
                  width: width.toLocaleString(),
                  height: height.toLocaleString(),
                  unit: unit,
                  name: name,
                  orientation: orientation
                }, '{{width}} × {{height}} {{unit}} (' + (name ? '{{name}}, ' : '') + '{{orientation}})');
              });
            }
          }, {
            key: '_parseDate',
            value: function _parseDate(inputDate) {
              if (!inputDate) {
                return;
              }
              var dateToParse = inputDate;
              if (dateToParse.substring(0, 2) === 'D:') {
                dateToParse = dateToParse.substring(2);
              }
              var year = parseInt(dateToParse.substring(0, 4), 10);
              var month = parseInt(dateToParse.substring(4, 6), 10) - 1;
              var day = parseInt(dateToParse.substring(6, 8), 10);
              var hours = parseInt(dateToParse.substring(8, 10), 10);
              var minutes = parseInt(dateToParse.substring(10, 12), 10);
              var seconds = parseInt(dateToParse.substring(12, 14), 10);
              var utRel = dateToParse.substring(14, 15);
              var offsetHours = parseInt(dateToParse.substring(15, 17), 10);
              var offsetMinutes = parseInt(dateToParse.substring(18, 20), 10);
              if (utRel === '-') {
                hours += offsetHours;
                minutes += offsetMinutes;
              } else if (utRel === '+') {
                hours -= offsetHours;
                minutes -= offsetMinutes;
              }
              var date = new Date(Date.UTC(year, month, day, hours, minutes, seconds));
              var dateString = date.toLocaleDateString();
              var timeString = date.toLocaleTimeString();
              return this.l10n.get('document_properties_date_string', {
                date: dateString,
                time: timeString
              }, '{{date}}, {{time}}');
            }
          }, {
            key: '_parseLinearization',
            value: function _parseLinearization(isLinearized) {
              return this.l10n.get('document_properties_linearized_' + (isLinearized ? 'yes' : 'no'), null, isLinearized ? 'Yes' : 'No');
            }
          }]);

          return PDFDocumentProperties;
        }();

        exports.PDFDocumentProperties = PDFDocumentProperties;

        /***/ }),
      /* 19 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFFindBar = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _ui_utils = __webpack_require__(6);

        var _pdf_find_controller = __webpack_require__(20);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var MATCHES_COUNT_LIMIT = 1000;

        var PDFFindBar = function () {
          function PDFFindBar(options) {
            var _this = this;

            var eventBus = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : (0, _ui_utils.getGlobalEventBus)();
            var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

            _classCallCheck(this, PDFFindBar);

            this.opened = false;
            this.bar = options.bar || null;
            this.toggleButton = options.toggleButton || null;
            this.findField = options.findField || null;
            this.highlightAll = options.highlightAllCheckbox || null;
            this.caseSensitive = options.caseSensitiveCheckbox || null;
            this.entireWord = options.entireWordCheckbox || null;
            this.findMsg = options.findMsg || null;
            this.findResultsCount = options.findResultsCount || null;
            this.findPreviousButton = options.findPreviousButton || null;
            this.findNextButton = options.findNextButton || null;
            this.eventBus = eventBus;
            this.l10n = l10n;
            this.toggleButton.addEventListener('click', function () {
              _this.toggle();
            });
            this.findField.addEventListener('input', function () {
              _this.dispatchEvent('');
            });
            this.bar.addEventListener('keydown', function (e) {
              switch (e.keyCode) {
                case 13:
                  if (e.target === _this.findField) {
                    _this.dispatchEvent('again', e.shiftKey);
                  }
                  break;
                case 27:
                  _this.close();
                  break;
              }
            });
            this.findPreviousButton.addEventListener('click', function () {
              _this.dispatchEvent('again', true);
            });
            this.findNextButton.addEventListener('click', function () {
              _this.dispatchEvent('again', false);
            });
            this.highlightAll.addEventListener('click', function () {
              _this.dispatchEvent('highlightallchange');
            });
            this.caseSensitive.addEventListener('click', function () {
              _this.dispatchEvent('casesensitivitychange');
            });
            this.entireWord.addEventListener('click', function () {
              _this.dispatchEvent('entirewordchange');
            });
            this.eventBus.on('resize', this._adjustWidth.bind(this));
          }

          _createClass(PDFFindBar, [{
            key: 'reset',
            value: function reset() {
              this.updateUIState();
            }
          }, {
            key: 'dispatchEvent',
            value: function dispatchEvent(type, findPrev) {
              this.eventBus.dispatch('find', {
                source: this,
                type: type,
                query: this.findField.value,
                phraseSearch: true,
                caseSensitive: this.caseSensitive.checked,
                entireWord: this.entireWord.checked,
                highlightAll: this.highlightAll.checked,
                findPrevious: findPrev
              });
            }
          }, {
            key: 'updateUIState',
            value: function updateUIState(state, previous, matchesCount) {
              var _this2 = this;

              var notFound = false;
              var findMsg = '';
              var status = '';
              switch (state) {
                case _pdf_find_controller.FindState.FOUND:
                  break;
                case _pdf_find_controller.FindState.PENDING:
                  status = 'pending';
                  break;
                case _pdf_find_controller.FindState.NOT_FOUND:
                  findMsg = this.l10n.get('find_not_found', null, 'Phrase not found');
                  notFound = true;
                  break;
                case _pdf_find_controller.FindState.WRAPPED:
                  if (previous) {
                    findMsg = this.l10n.get('find_reached_top', null, 'Reached top of document, continued from bottom');
                  } else {
                    findMsg = this.l10n.get('find_reached_bottom', null, 'Reached end of document, continued from top');
                  }
                  break;
              }
              this.findField.classList.toggle('notFound', notFound);
              this.findField.setAttribute('data-status', status);
              Promise.resolve(findMsg).then(function (msg) {
                _this2.findMsg.textContent = msg;
                _this2._adjustWidth();
              });
              this.updateResultsCount(matchesCount);
            }
          }, {
            key: 'updateResultsCount',
            value: function updateResultsCount() {
              var _this3 = this;

              var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
                  _ref$current = _ref.current,
                  current = _ref$current === undefined ? 0 : _ref$current,
                  _ref$total = _ref.total,
                  total = _ref$total === undefined ? 0 : _ref$total;

              if (!this.findResultsCount) {
                return;
              }
              var matchesCountMsg = '',
                  limit = MATCHES_COUNT_LIMIT;
              if (total > 0) {
                if (total > limit) {
                  matchesCountMsg = this.l10n.get('find_match_count_limit', { limit: limit }, 'More than {{limit}} match' + (limit !== 1 ? 'es' : ''));
                } else {
                  matchesCountMsg = this.l10n.get('find_match_count', {
                    current: current,
                    total: total
                  }, '{{current}} of {{total}} match' + (total !== 1 ? 'es' : ''));
                }
              }
              Promise.resolve(matchesCountMsg).then(function (msg) {
                _this3.findResultsCount.textContent = msg;
                _this3.findResultsCount.classList[!total ? 'add' : 'remove']('hidden');
                _this3._adjustWidth();
              });
            }
          }, {
            key: 'open',
            value: function open() {
              if (!this.opened) {
                this.opened = true;
                this.toggleButton.classList.add('toggled');
                this.bar.classList.remove('hidden');
              }
              this.findField.select();
              this.findField.focus();
              this._adjustWidth();
            }
          }, {
            key: 'close',
            value: function close() {
              if (!this.opened) {
                return;
              }
              this.opened = false;
              this.toggleButton.classList.remove('toggled');
              this.bar.classList.add('hidden');
              this.eventBus.dispatch('findbarclose', { source: this });
            }
          }, {
            key: 'toggle',
            value: function toggle() {
              if (this.opened) {
                this.close();
              } else {
                this.open();
              }
            }
          }, {
            key: '_adjustWidth',
            value: function _adjustWidth() {
              if (!this.opened) {
                return;
              }
              this.bar.classList.remove('wrapContainers');
              var findbarHeight = this.bar.clientHeight;
              var inputContainerHeight = this.bar.firstElementChild.clientHeight;
              if (findbarHeight > inputContainerHeight) {
                this.bar.classList.add('wrapContainers');
              }
            }
          }]);

          return PDFFindBar;
        }();

        exports.PDFFindBar = PDFFindBar;

        /***/ }),
      /* 20 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFFindController = exports.FindState = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _pdfjsLib = __webpack_require__(7);

        var _pdf_find_utils = __webpack_require__(21);

        var _dom_events = __webpack_require__(14);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var FindState = {
          FOUND: 0,
          NOT_FOUND: 1,
          WRAPPED: 2,
          PENDING: 3
        };
        var FIND_TIMEOUT = 250;
        var CHARACTERS_TO_NORMALIZE = {
          '\u2018': '\'',
          '\u2019': '\'',
          '\u201A': '\'',
          '\u201B': '\'',
          '\u201C': '"',
          '\u201D': '"',
          '\u201E': '"',
          '\u201F': '"',
          '\xBC': '1/4',
          '\xBD': '1/2',
          '\xBE': '3/4'
        };

        var PDFFindController = function () {
          function PDFFindController(_ref) {
            var linkService = _ref.linkService,
                _ref$eventBus = _ref.eventBus,
                eventBus = _ref$eventBus === undefined ? (0, _dom_events.getGlobalEventBus)() : _ref$eventBus;

            _classCallCheck(this, PDFFindController);

            this._linkService = linkService;
            this._eventBus = eventBus;
            this._reset();
            eventBus.on('findbarclose', this._onFindBarClose.bind(this));
            var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('');
            this._normalizationRegex = new RegExp('[' + replace + ']', 'g');
          }

          _createClass(PDFFindController, [{
            key: 'setDocument',
            value: function setDocument(pdfDocument) {
              if (this._pdfDocument) {
                this._reset();
              }
              if (!pdfDocument) {
                return;
              }
              this._pdfDocument = pdfDocument;
              this._firstPageCapability.resolve();
            }
          }, {
            key: 'executeCommand',
            value: function executeCommand(cmd, state) {
              var _this = this;

              var pdfDocument = this._pdfDocument;
              if (this._state === null || cmd !== 'findagain') {
                this._dirtyMatch = true;
              }
              this._state = state;
              this._updateUIState(FindState.PENDING);
              this._firstPageCapability.promise.then(function () {
                if (!_this._pdfDocument || pdfDocument && _this._pdfDocument !== pdfDocument) {
                  return;
                }
                _this._extractText();
                if (_this._findTimeout) {
                  clearTimeout(_this._findTimeout);
                  _this._findTimeout = null;
                }
                if (cmd === 'find') {
                  _this._findTimeout = setTimeout(function () {
                    _this._nextMatch();
                    _this._findTimeout = null;
                  }, FIND_TIMEOUT);
                } else {
                  _this._nextMatch();
                }
              });
            }
          }, {
            key: '_reset',
            value: function _reset() {
              this._highlightMatches = false;
              this._pdfDocument = null;
              this._pageMatches = [];
              this._pageMatchesLength = null;
              this._state = null;
              this._selected = {
                pageIdx: -1,
                matchIdx: -1
              };
              this._offset = {
                pageIdx: null,
                matchIdx: null
              };
              this._extractTextPromises = [];
              this._pageContents = [];
              this._matchesCountTotal = 0;
              this._pagesToSearch = null;
              this._pendingFindMatches = Object.create(null);
              this._resumePageIdx = null;
              this._dirtyMatch = false;
              clearTimeout(this._findTimeout);
              this._findTimeout = null;
              this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
            }
          }, {
            key: '_normalize',
            value: function _normalize(text) {
              return text.replace(this._normalizationRegex, function (ch) {
                return CHARACTERS_TO_NORMALIZE[ch];
              });
            }
          }, {
            key: '_prepareMatches',
            value: function _prepareMatches(matchesWithLength, matches, matchesLength) {
              function isSubTerm(matchesWithLength, currentIndex) {
                var currentElem = matchesWithLength[currentIndex];
                var nextElem = matchesWithLength[currentIndex + 1];
                if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
                  currentElem.skipped = true;
                  return true;
                }
                for (var i = currentIndex - 1; i >= 0; i--) {
                  var prevElem = matchesWithLength[i];
                  if (prevElem.skipped) {
                    continue;
                  }
                  if (prevElem.match + prevElem.matchLength < currentElem.match) {
                    break;
                  }
                  if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
                    currentElem.skipped = true;
                    return true;
                  }
                }
                return false;
              }
              matchesWithLength.sort(function (a, b) {
                return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
              });
              for (var i = 0, len = matchesWithLength.length; i < len; i++) {
                if (isSubTerm(matchesWithLength, i)) {
                  continue;
                }
                matches.push(matchesWithLength[i].match);
                matchesLength.push(matchesWithLength[i].matchLength);
              }
            }
          }, {
            key: '_isEntireWord',
            value: function _isEntireWord(content, startIdx, length) {
              if (startIdx > 0) {
                var first = content.charCodeAt(startIdx);
                var limit = content.charCodeAt(startIdx - 1);
                if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
                  return false;
                }
              }
              var endIdx = startIdx + length - 1;
              if (endIdx < content.length - 1) {
                var last = content.charCodeAt(endIdx);
                var _limit = content.charCodeAt(endIdx + 1);
                if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(_limit)) {
                  return false;
                }
              }
              return true;
            }
          }, {
            key: '_calculatePhraseMatch',
            value: function _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {
              var matches = [];
              var queryLen = query.length;
              var matchIdx = -queryLen;
              while (true) {
                matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
                if (matchIdx === -1) {
                  break;
                }
                if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
                  continue;
                }
                matches.push(matchIdx);
              }
              this._pageMatches[pageIndex] = matches;
            }
          }, {
            key: '_calculateWordMatch',
            value: function _calculateWordMatch(query, pageIndex, pageContent, entireWord) {
              var matchesWithLength = [];
              var queryArray = query.match(/\S+/g);
              for (var i = 0, len = queryArray.length; i < len; i++) {
                var subquery = queryArray[i];
                var subqueryLen = subquery.length;
                var matchIdx = -subqueryLen;
                while (true) {
                  matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
                  if (matchIdx === -1) {
                    break;
                  }
                  if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
                    continue;
                  }
                  matchesWithLength.push({
                    match: matchIdx,
                    matchLength: subqueryLen,
                    skipped: false
                  });
                }
              }
              if (!this._pageMatchesLength) {
                this._pageMatchesLength = [];
              }
              this._pageMatchesLength[pageIndex] = [];
              this._pageMatches[pageIndex] = [];
              this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);
            }
          }, {
            key: '_calculateMatch',
            value: function _calculateMatch(pageIndex) {
              var pageContent = this._normalize(this._pageContents[pageIndex]);
              var query = this._normalize(this._state.query);
              var _state = this._state,
                  caseSensitive = _state.caseSensitive,
                  entireWord = _state.entireWord,
                  phraseSearch = _state.phraseSearch;

              if (query.length === 0) {
                return;
              }
              if (!caseSensitive) {
                pageContent = pageContent.toLowerCase();
                query = query.toLowerCase();
              }
              if (phraseSearch) {
                this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);
              } else {
                this._calculateWordMatch(query, pageIndex, pageContent, entireWord);
              }
              this._updatePage(pageIndex);
              if (this._resumePageIdx === pageIndex) {
                this._resumePageIdx = null;
                this._nextPageMatch();
              }
              var pageMatchesCount = this._pageMatches[pageIndex].length;
              if (pageMatchesCount > 0) {
                this._matchesCountTotal += pageMatchesCount;
                this._updateUIResultsCount();
              }
            }
          }, {
            key: '_extractText',
            value: function _extractText() {
              var _this2 = this;

              if (this._extractTextPromises.length > 0) {
                return;
              }
              var promise = Promise.resolve();

              var _loop = function _loop(i, ii) {
                var extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
                _this2._extractTextPromises[i] = extractTextCapability.promise;
                promise = promise.then(function () {
                  return _this2._pdfDocument.getPage(i + 1).then(function (pdfPage) {
                    return pdfPage.getTextContent({ normalizeWhitespace: true });
                  }).then(function (textContent) {
                    var textItems = textContent.items;
                    var strBuf = [];
                    for (var j = 0, jj = textItems.length; j < jj; j++) {
                      strBuf.push(textItems[j].str);
                    }
                    _this2._pageContents[i] = strBuf.join('');
                    extractTextCapability.resolve(i);
                  }, function (reason) {
                    console.error('Unable to get text content for page ' + (i + 1), reason);
                    _this2._pageContents[i] = '';
                    extractTextCapability.resolve(i);
                  });
                });
              };

              for (var i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
                _loop(i, ii);
              }
            }
          }, {
            key: '_updatePage',
            value: function _updatePage(index) {
              if (this._selected.pageIdx === index) {
                this._linkService.page = index + 1;
              }
              this._eventBus.dispatch('updatetextlayermatches', {
                source: this,
                pageIndex: index
              });
            }
          }, {
            key: '_nextMatch',
            value: function _nextMatch() {
              var _this3 = this;

              var previous = this._state.findPrevious;
              var currentPageIndex = this._linkService.page - 1;
              var numPages = this._linkService.pagesCount;
              this._highlightMatches = true;
              if (this._dirtyMatch) {
                this._dirtyMatch = false;
                this._selected.pageIdx = this._selected.matchIdx = -1;
                this._offset.pageIdx = currentPageIndex;
                this._offset.matchIdx = null;
                this._resumePageIdx = null;
                this._pageMatches.length = 0;
                this._pageMatchesLength = null;
                this._matchesCountTotal = 0;
                for (var i = 0; i < numPages; i++) {
                  this._updatePage(i);
                  if (!(i in this._pendingFindMatches)) {
                    this._pendingFindMatches[i] = true;
                    this._extractTextPromises[i].then(function (pageIdx) {
                      delete _this3._pendingFindMatches[pageIdx];
                      _this3._calculateMatch(pageIdx);
                    });
                  }
                }
              }
              if (this._state.query === '') {
                this._updateUIState(FindState.FOUND);
                return;
              }
              if (this._resumePageIdx) {
                return;
              }
              var offset = this._offset;
              this._pagesToSearch = numPages;
              if (offset.matchIdx !== null) {
                var numPageMatches = this._pageMatches[offset.pageIdx].length;
                if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
                  offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
                  this._updateMatch(true);
                  return;
                }
                this._advanceOffsetPage(previous);
              }
              this._nextPageMatch();
            }
          }, {
            key: '_matchesReady',
            value: function _matchesReady(matches) {
              var offset = this._offset;
              var numMatches = matches.length;
              var previous = this._state.findPrevious;
              if (numMatches) {
                offset.matchIdx = previous ? numMatches - 1 : 0;
                this._updateMatch(true);
                return true;
              }
              this._advanceOffsetPage(previous);
              if (offset.wrapped) {
                offset.matchIdx = null;
                if (this._pagesToSearch < 0) {
                  this._updateMatch(false);
                  return true;
                }
              }
              return false;
            }
          }, {
            key: '_nextPageMatch',
            value: function _nextPageMatch() {
              if (this._resumePageIdx !== null) {
                console.error('There can only be one pending page.');
              }
              var matches = null;
              do {
                var pageIdx = this._offset.pageIdx;
                matches = this._pageMatches[pageIdx];
                if (!matches) {
                  this._resumePageIdx = pageIdx;
                  break;
                }
              } while (!this._matchesReady(matches));
            }
          }, {
            key: '_advanceOffsetPage',
            value: function _advanceOffsetPage(previous) {
              var offset = this._offset;
              var numPages = this._linkService.pagesCount;
              offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
              offset.matchIdx = null;
              this._pagesToSearch--;
              if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
                offset.pageIdx = previous ? numPages - 1 : 0;
                offset.wrapped = true;
              }
            }
          }, {
            key: '_updateMatch',
            value: function _updateMatch() {
              var found = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              var state = FindState.NOT_FOUND;
              var wrapped = this._offset.wrapped;
              this._offset.wrapped = false;
              if (found) {
                var previousPage = this._selected.pageIdx;
                this._selected.pageIdx = this._offset.pageIdx;
                this._selected.matchIdx = this._offset.matchIdx;
                state = wrapped ? FindState.WRAPPED : FindState.FOUND;
                if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
                  this._updatePage(previousPage);
                }
              }
              this._updateUIState(state, this._state.findPrevious);
              if (this._selected.pageIdx !== -1) {
                this._updatePage(this._selected.pageIdx);
              }
            }
          }, {
            key: '_onFindBarClose',
            value: function _onFindBarClose(evt) {
              var _this4 = this;

              var pdfDocument = this._pdfDocument;
              this._firstPageCapability.promise.then(function () {
                if (!_this4._pdfDocument || pdfDocument && _this4._pdfDocument !== pdfDocument) {
                  return;
                }
                if (_this4._findTimeout) {
                  clearTimeout(_this4._findTimeout);
                  _this4._findTimeout = null;
                  _this4._updateUIState(FindState.FOUND);
                }
                _this4._highlightMatches = false;
                _this4._eventBus.dispatch('updatetextlayermatches', {
                  source: _this4,
                  pageIndex: -1
                });
              });
            }
          }, {
            key: '_requestMatchesCount',
            value: function _requestMatchesCount() {
              var _selected = this._selected,
                  pageIdx = _selected.pageIdx,
                  matchIdx = _selected.matchIdx;

              var current = 0,
                  total = this._matchesCountTotal;
              if (matchIdx !== -1) {
                for (var i = 0; i < pageIdx; i++) {
                  current += this._pageMatches[i] && this._pageMatches[i].length || 0;
                }
                current += matchIdx + 1;
              }
              if (current < 1 || current > total) {
                current = total = 0;
              }
              return {
                current: current,
                total: total
              };
            }
          }, {
            key: '_updateUIResultsCount',
            value: function _updateUIResultsCount() {
              this._eventBus.dispatch('updatefindmatchescount', {
                source: this,
                matchesCount: this._requestMatchesCount()
              });
            }
          }, {
            key: '_updateUIState',
            value: function _updateUIState(state, previous) {
              this._eventBus.dispatch('updatefindcontrolstate', {
                source: this,
                state: state,
                previous: previous,
                matchesCount: this._requestMatchesCount()
              });
            }
          }, {
            key: 'highlightMatches',
            get: function get() {
              return this._highlightMatches;
            }
          }, {
            key: 'pageMatches',
            get: function get() {
              return this._pageMatches;
            }
          }, {
            key: 'pageMatchesLength',
            get: function get() {
              return this._pageMatchesLength;
            }
          }, {
            key: 'selected',
            get: function get() {
              return this._selected;
            }
          }, {
            key: 'state',
            get: function get() {
              return this._state;
            }
          }]);

          return PDFFindController;
        }();

        exports.FindState = FindState;
        exports.PDFFindController = PDFFindController;

        /***/ }),
      /* 21 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        var CharacterType = {
          SPACE: 0,
          ALPHA_LETTER: 1,
          PUNCT: 2,
          HAN_LETTER: 3,
          KATAKANA_LETTER: 4,
          HIRAGANA_LETTER: 5,
          HALFWIDTH_KATAKANA_LETTER: 6,
          THAI_LETTER: 7
        };
        function isAlphabeticalScript(charCode) {
          return charCode < 0x2E80;
        }
        function isAscii(charCode) {
          return (charCode & 0xFF80) === 0;
        }
        function isAsciiAlpha(charCode) {
          return charCode >= 0x61 && charCode <= 0x7A || charCode >= 0x41 && charCode <= 0x5A;
        }
        function isAsciiDigit(charCode) {
          return charCode >= 0x30 && charCode <= 0x39;
        }
        function isAsciiSpace(charCode) {
          return charCode === 0x20 || charCode === 0x09 || charCode === 0x0D || charCode === 0x0A;
        }
        function isHan(charCode) {
          return charCode >= 0x3400 && charCode <= 0x9FFF || charCode >= 0xF900 && charCode <= 0xFAFF;
        }
        function isKatakana(charCode) {
          return charCode >= 0x30A0 && charCode <= 0x30FF;
        }
        function isHiragana(charCode) {
          return charCode >= 0x3040 && charCode <= 0x309F;
        }
        function isHalfwidthKatakana(charCode) {
          return charCode >= 0xFF60 && charCode <= 0xFF9F;
        }
        function isThai(charCode) {
          return (charCode & 0xFF80) === 0x0E00;
        }
        function getCharacterType(charCode) {
          if (isAlphabeticalScript(charCode)) {
            if (isAscii(charCode)) {
              if (isAsciiSpace(charCode)) {
                return CharacterType.SPACE;
              } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5F) {
                return CharacterType.ALPHA_LETTER;
              }
              return CharacterType.PUNCT;
            } else if (isThai(charCode)) {
              return CharacterType.THAI_LETTER;
            } else if (charCode === 0xA0) {
              return CharacterType.SPACE;
            }
            return CharacterType.ALPHA_LETTER;
          }
          if (isHan(charCode)) {
            return CharacterType.HAN_LETTER;
          } else if (isKatakana(charCode)) {
            return CharacterType.KATAKANA_LETTER;
          } else if (isHiragana(charCode)) {
            return CharacterType.HIRAGANA_LETTER;
          } else if (isHalfwidthKatakana(charCode)) {
            return CharacterType.HALFWIDTH_KATAKANA_LETTER;
          }
          return CharacterType.ALPHA_LETTER;
        }
        exports.CharacterType = CharacterType;
        exports.getCharacterType = getCharacterType;

        /***/ }),
      /* 22 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.isDestArraysEqual = exports.isDestHashesEqual = exports.PDFHistory = undefined;

        var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _ui_utils = __webpack_require__(6);

        var _dom_events = __webpack_require__(14);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var HASH_CHANGE_TIMEOUT = 1000;
        var POSITION_UPDATED_THRESHOLD = 50;
        var UPDATE_VIEWAREA_TIMEOUT = 1000;
        function getCurrentHash() {
          return document.location.hash;
        }
        function parseCurrentHash(linkService) {
          var hash = unescape(getCurrentHash()).substring(1);
          var params = (0, _ui_utils.parseQueryString)(hash);
          var page = params.page | 0;
          if (!(Number.isInteger(page) && page > 0 && page <= linkService.pagesCount)) {
            page = null;
          }
          return {
            hash: hash,
            page: page,
            rotation: linkService.rotation
          };
        }

        var PDFHistory = function () {
          function PDFHistory(_ref) {
            var _this = this;

            var linkService = _ref.linkService,
                eventBus = _ref.eventBus;

            _classCallCheck(this, PDFHistory);

            this.linkService = linkService;
            this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
            this.initialized = false;
            this.initialBookmark = null;
            this.initialRotation = null;
            this._boundEvents = Object.create(null);
            this._isViewerInPresentationMode = false;
            this._isPagesLoaded = false;
            this.eventBus.on('presentationmodechanged', function (evt) {
              _this._isViewerInPresentationMode = evt.active || evt.switchInProgress;
            });
            this.eventBus.on('pagesloaded', function (evt) {
              _this._isPagesLoaded = !!evt.pagesCount;
            });
          }

          _createClass(PDFHistory, [{
            key: 'initialize',
            value: function initialize(fingerprint) {
              var resetHistory = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

              if (!fingerprint || typeof fingerprint !== 'string') {
                console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
                return;
              }
              var reInitialized = this.initialized && this.fingerprint !== fingerprint;
              this.fingerprint = fingerprint;
              if (!this.initialized) {
                this._bindEvents();
              }
              var state = window.history.state;
              this.initialized = true;
              this.initialBookmark = null;
              this.initialRotation = null;
              this._popStateInProgress = false;
              this._blockHashChange = 0;
              this._currentHash = getCurrentHash();
              this._numPositionUpdates = 0;
              this._uid = this._maxUid = 0;
              this._destination = null;
              this._position = null;
              if (!this._isValidState(state) || resetHistory) {
                var _parseCurrentHash = parseCurrentHash(this.linkService),
                    hash = _parseCurrentHash.hash,
                    page = _parseCurrentHash.page,
                    rotation = _parseCurrentHash.rotation;

                if (!hash || reInitialized || resetHistory) {
                  this._pushOrReplaceState(null, true);
                  return;
                }
                this._pushOrReplaceState({
                  hash: hash,
                  page: page,
                  rotation: rotation
                }, true);
                return;
              }
              var destination = state.destination;
              this._updateInternalState(destination, state.uid, true);
              if (this._uid > this._maxUid) {
                this._maxUid = this._uid;
              }
              if (destination.rotation !== undefined) {
                this.initialRotation = destination.rotation;
              }
              if (destination.dest) {
                this.initialBookmark = JSON.stringify(destination.dest);
                this._destination.page = null;
              } else if (destination.hash) {
                this.initialBookmark = destination.hash;
              } else if (destination.page) {
                this.initialBookmark = 'page=' + destination.page;
              }
            }
          }, {
            key: 'push',
            value: function push(_ref2) {
              var _this2 = this;

              var namedDest = _ref2.namedDest,
                  explicitDest = _ref2.explicitDest,
                  pageNumber = _ref2.pageNumber;

              if (!this.initialized) {
                return;
              }
              if (namedDest && typeof namedDest !== 'string' || !Array.isArray(explicitDest) || !(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
                console.error('PDFHistory.push: Invalid parameters.');
                return;
              }
              var hash = namedDest || JSON.stringify(explicitDest);
              if (!hash) {
                return;
              }
              var forceReplace = false;
              if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
                if (this._destination.page) {
                  return;
                }
                forceReplace = true;
              }
              if (this._popStateInProgress && !forceReplace) {
                return;
              }
              this._pushOrReplaceState({
                dest: explicitDest,
                hash: hash,
                page: pageNumber,
                rotation: this.linkService.rotation
              }, forceReplace);
              if (!this._popStateInProgress) {
                this._popStateInProgress = true;
                Promise.resolve().then(function () {
                  _this2._popStateInProgress = false;
                });
              }
            }
          }, {
            key: 'pushCurrentPosition',
            value: function pushCurrentPosition() {
              if (!this.initialized || this._popStateInProgress) {
                return;
              }
              this._tryPushCurrentPosition();
            }
          }, {
            key: 'back',
            value: function back() {
              if (!this.initialized || this._popStateInProgress) {
                return;
              }
              var state = window.history.state;
              if (this._isValidState(state) && state.uid > 0) {
                window.history.back();
              }
            }
          }, {
            key: 'forward',
            value: function forward() {
              if (!this.initialized || this._popStateInProgress) {
                return;
              }
              var state = window.history.state;
              if (this._isValidState(state) && state.uid < this._maxUid) {
                window.history.forward();
              }
            }
          }, {
            key: '_pushOrReplaceState',
            value: function _pushOrReplaceState(destination) {
              var forceReplace = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

              var shouldReplace = forceReplace || !this._destination;
              var newState = {
                fingerprint: this.fingerprint,
                uid: shouldReplace ? this._uid : this._uid + 1,
                destination: destination
              };
              this._updateInternalState(destination, newState.uid);
              if (shouldReplace) {
                window.history.replaceState(newState, '');
              } else {
                this._maxUid = this._uid;
                window.history.pushState(newState, '');
              }
            }
          }, {
            key: '_tryPushCurrentPosition',
            value: function _tryPushCurrentPosition() {
              var temporary = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              if (!this._position) {
                return;
              }
              var position = this._position;
              if (temporary) {
                position = Object.assign(Object.create(null), this._position);
                position.temporary = true;
              }
              if (!this._destination) {
                this._pushOrReplaceState(position);
                return;
              }
              if (this._destination.temporary) {
                this._pushOrReplaceState(position, true);
                return;
              }
              if (this._destination.hash === position.hash) {
                return;
              }
              if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
                return;
              }
              var forceReplace = false;
              if (this._destination.page === position.first || this._destination.page === position.page) {
                if (this._destination.dest || !this._destination.first) {
                  return;
                }
                forceReplace = true;
              }
              this._pushOrReplaceState(position, forceReplace);
            }
          }, {
            key: '_isValidState',
            value: function _isValidState(state) {
              if (!state) {
                return false;
              }
              if (state.fingerprint !== this.fingerprint) {
                return false;
              }
              if (!Number.isInteger(state.uid) || state.uid < 0) {
                return false;
              }
              if (state.destination === null || _typeof(state.destination) !== 'object') {
                return false;
              }
              return true;
            }
          }, {
            key: '_updateInternalState',
            value: function _updateInternalState(destination, uid) {
              var removeTemporary = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

              if (this._updateViewareaTimeout) {
                clearTimeout(this._updateViewareaTimeout);
                this._updateViewareaTimeout = null;
              }
              if (removeTemporary && destination && destination.temporary) {
                delete destination.temporary;
              }
              this._destination = destination;
              this._uid = uid;
              this._numPositionUpdates = 0;
            }
          }, {
            key: '_updateViewarea',
            value: function _updateViewarea(_ref3) {
              var _this3 = this;

              var location = _ref3.location;

              if (this._updateViewareaTimeout) {
                clearTimeout(this._updateViewareaTimeout);
                this._updateViewareaTimeout = null;
              }
              this._position = {
                hash: this._isViewerInPresentationMode ? 'page=' + location.pageNumber : location.pdfOpenParams.substring(1),
                page: this.linkService.page,
                first: location.pageNumber,
                rotation: location.rotation
              };
              if (this._popStateInProgress) {
                return;
              }
              if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
                this._numPositionUpdates++;
              }
              if (UPDATE_VIEWAREA_TIMEOUT > 0) {
                this._updateViewareaTimeout = setTimeout(function () {
                  if (!_this3._popStateInProgress) {
                    _this3._tryPushCurrentPosition(true);
                  }
                  _this3._updateViewareaTimeout = null;
                }, UPDATE_VIEWAREA_TIMEOUT);
              }
            }
          }, {
            key: '_popState',
            value: function _popState(_ref4) {
              var _this4 = this;

              var state = _ref4.state;

              var newHash = getCurrentHash(),
                  hashChanged = this._currentHash !== newHash;
              this._currentHash = newHash;
              if (!state || false) {
                this._uid++;

                var _parseCurrentHash2 = parseCurrentHash(this.linkService),
                    hash = _parseCurrentHash2.hash,
                    page = _parseCurrentHash2.page,
                    rotation = _parseCurrentHash2.rotation;

                this._pushOrReplaceState({
                  hash: hash,
                  page: page,
                  rotation: rotation
                }, true);
                return;
              }
              if (!this._isValidState(state)) {
                return;
              }
              this._popStateInProgress = true;
              if (hashChanged) {
                this._blockHashChange++;
                (0, _ui_utils.waitOnEventOrTimeout)({
                  target: window,
                  name: 'hashchange',
                  delay: HASH_CHANGE_TIMEOUT
                }).then(function () {
                  _this4._blockHashChange--;
                });
              }
              var destination = state.destination;
              this._updateInternalState(destination, state.uid, true);
              if (this._uid > this._maxUid) {
                this._maxUid = this._uid;
              }
              if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
                this.linkService.rotation = destination.rotation;
              }
              if (destination.dest) {
                this.linkService.navigateTo(destination.dest);
              } else if (destination.hash) {
                this.linkService.setHash(destination.hash);
              } else if (destination.page) {
                this.linkService.page = destination.page;
              }
              Promise.resolve().then(function () {
                _this4._popStateInProgress = false;
              });
            }
          }, {
            key: '_bindEvents',
            value: function _bindEvents() {
              var _this5 = this;

              var _boundEvents = this._boundEvents,
                  eventBus = this.eventBus;

              _boundEvents.updateViewarea = this._updateViewarea.bind(this);
              _boundEvents.popState = this._popState.bind(this);
              _boundEvents.pageHide = function (evt) {
                if (!_this5._destination || _this5._destination.temporary) {
                  _this5._tryPushCurrentPosition();
                }
              };
              eventBus.on('updateviewarea', _boundEvents.updateViewarea);
              window.addEventListener('popstate', _boundEvents.popState);
              window.addEventListener('pagehide', _boundEvents.pageHide);
            }
          }, {
            key: 'popStateInProgress',
            get: function get() {
              return this.initialized && (this._popStateInProgress || this._blockHashChange > 0);
            }
          }]);

          return PDFHistory;
        }();

        function isDestHashesEqual(destHash, pushHash) {
          if (typeof destHash !== 'string' || typeof pushHash !== 'string') {
            return false;
          }
          if (destHash === pushHash) {
            return true;
          }

          var _parseQueryString = (0, _ui_utils.parseQueryString)(destHash),
              nameddest = _parseQueryString.nameddest;

          if (nameddest === pushHash) {
            return true;
          }
          return false;
        }
        function isDestArraysEqual(firstDest, secondDest) {
          function isEntryEqual(first, second) {
            if ((typeof first === 'undefined' ? 'undefined' : _typeof(first)) !== (typeof second === 'undefined' ? 'undefined' : _typeof(second))) {
              return false;
            }
            if (Array.isArray(first) || Array.isArray(second)) {
              return false;
            }
            if (first !== null && (typeof first === 'undefined' ? 'undefined' : _typeof(first)) === 'object' && second !== null) {
              if (Object.keys(first).length !== Object.keys(second).length) {
                return false;
              }
              for (var key in first) {
                if (!isEntryEqual(first[key], second[key])) {
                  return false;
                }
              }
              return true;
            }
            return first === second || Number.isNaN(first) && Number.isNaN(second);
          }
          if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
            return false;
          }
          if (firstDest.length !== secondDest.length) {
            return false;
          }
          for (var i = 0, ii = firstDest.length; i < ii; i++) {
            if (!isEntryEqual(firstDest[i], secondDest[i])) {
              return false;
            }
          }
          return true;
        }
        exports.PDFHistory = PDFHistory;
        exports.isDestHashesEqual = isDestHashesEqual;
        exports.isDestArraysEqual = isDestArraysEqual;

        /***/ }),
      /* 23 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.SimpleLinkService = exports.PDFLinkService = undefined;

        var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _dom_events = __webpack_require__(14);

        var _ui_utils = __webpack_require__(6);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var PDFLinkService = function () {
          function PDFLinkService() {
            var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
                eventBus = _ref.eventBus,
                _ref$externalLinkTarg = _ref.externalLinkTarget,
                externalLinkTarget = _ref$externalLinkTarg === undefined ? null : _ref$externalLinkTarg,
                _ref$externalLinkRel = _ref.externalLinkRel,
                externalLinkRel = _ref$externalLinkRel === undefined ? null : _ref$externalLinkRel;

            _classCallCheck(this, PDFLinkService);

            this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
            this.externalLinkTarget = externalLinkTarget;
            this.externalLinkRel = externalLinkRel;
            this.baseUrl = null;
            this.pdfDocument = null;
            this.pdfViewer = null;
            this.pdfHistory = null;
            this._pagesRefCache = null;
          }

          _createClass(PDFLinkService, [{
            key: 'setDocument',
            value: function setDocument(pdfDocument) {
              var baseUrl = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

              this.baseUrl = baseUrl;
              this.pdfDocument = pdfDocument;
              this._pagesRefCache = Object.create(null);
            }
          }, {
            key: 'setViewer',
            value: function setViewer(pdfViewer) {
              this.pdfViewer = pdfViewer;
            }
          }, {
            key: 'setHistory',
            value: function setHistory(pdfHistory) {
              this.pdfHistory = pdfHistory;
            }
          }, {
            key: 'navigateTo',
            value: function navigateTo(dest) {
              var _this = this;

              var goToDestination = function goToDestination(_ref2) {
                var namedDest = _ref2.namedDest,
                    explicitDest = _ref2.explicitDest;

                var destRef = explicitDest[0],
                    pageNumber = void 0;
                if (destRef instanceof Object) {
                  pageNumber = _this._cachedPageNumber(destRef);
                  if (pageNumber === null) {
                    _this.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
                      _this.cachePageRef(pageIndex + 1, destRef);
                      goToDestination({
                        namedDest: namedDest,
                        explicitDest: explicitDest
                      });
                    }).catch(function () {
                      console.error('PDFLinkService.navigateTo: "' + destRef + '" is not ' + ('a valid page reference, for dest="' + dest + '".'));
                    });
                    return;
                  }
                } else if (Number.isInteger(destRef)) {
                  pageNumber = destRef + 1;
                } else {
                  console.error('PDFLinkService.navigateTo: "' + destRef + '" is not ' + ('a valid destination reference, for dest="' + dest + '".'));
                  return;
                }
                if (!pageNumber || pageNumber < 1 || pageNumber > _this.pagesCount) {
                  console.error('PDFLinkService.navigateTo: "' + pageNumber + '" is not ' + ('a valid page number, for dest="' + dest + '".'));
                  return;
                }
                if (_this.pdfHistory) {
                  _this.pdfHistory.pushCurrentPosition();
                  _this.pdfHistory.push({
                    namedDest: namedDest,
                    explicitDest: explicitDest,
                    pageNumber: pageNumber
                  });
                }
                _this.pdfViewer.scrollPageIntoView({
                  pageNumber: pageNumber,
                  destArray: explicitDest
                });
              };
              new Promise(function (resolve, reject) {
                if (typeof dest === 'string') {
                  console.log('dest', dest)
                  _this.pdfDocument.getDestination(dest).then(function (destArray) {
                    resolve({
                      namedDest: dest,
                      explicitDest: destArray
                    });
                  });
                  return;
                }
                resolve({
                  namedDest: '',
                  explicitDest: dest
                });
              }).then(function (data) {
                console.log('destdata', data)
                if (!Array.isArray(data.explicitDest)) {
                  console.error('PDFLinkService.navigateTo: "' + data.explicitDest + '" is' + (' not a valid destination array, for dest="' + dest + '".'));
                  return;
                }
                goToDestination(data);
              });
            }
          }, {
            key: 'getDestinationHash',
            value: function getDestinationHash(dest) {
              if (typeof dest === 'string') {
                return this.getAnchorUrl('#' + escape(dest));
              }
              if (Array.isArray(dest)) {
                var str = JSON.stringify(dest);
                return this.getAnchorUrl('#' + escape(str));
              }
              return this.getAnchorUrl('');
            }
          }, {
            key: 'getAnchorUrl',
            value: function getAnchorUrl(anchor) {
              return (this.baseUrl || '') + anchor;
            }
          }, {
            key: 'setHash',
            value: function setHash(hash) {
              var pageNumber = void 0,
                  dest = void 0;
              if (hash.includes('=')) {
                var params = (0, _ui_utils.parseQueryString)(hash);
                if ('search' in params) {
                  this.eventBus.dispatch('findfromurlhash', {
                    source: this,
                    query: params['search'].replace(/"/g, ''),
                    phraseSearch: params['phrase'] === 'true'
                  });
                }
                if ('nameddest' in params) {
                  this.navigateTo(params.nameddest);
                  return;
                }
                if ('page' in params) {
                  pageNumber = params.page | 0 || 1;
                }
                if ('zoom' in params) {
                  var zoomArgs = params.zoom.split(',');
                  var zoomArg = zoomArgs[0];
                  var zoomArgNumber = parseFloat(zoomArg);
                  if (!zoomArg.includes('Fit')) {
                    dest = [null, { name: 'XYZ' }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
                  } else {
                    if (zoomArg === 'Fit' || zoomArg === 'FitB') {
                      dest = [null, { name: zoomArg }];
                    } else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || zoomArg === 'FitV' || zoomArg === 'FitBV') {
                      dest = [null, { name: zoomArg }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
                    } else if (zoomArg === 'FitR') {
                      if (zoomArgs.length !== 5) {
                        console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
                      } else {
                        dest = [null, { name: zoomArg }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
                      }
                    } else {
                      console.error('PDFLinkService.setHash: "' + zoomArg + '" is not ' + 'a valid zoom value.');
                    }
                  }
                }
                if (dest) {
                  this.pdfViewer.scrollPageIntoView({
                    pageNumber: pageNumber || this.page,
                    destArray: dest,
                    allowNegativeOffset: true
                  });
                } else if (pageNumber) {
                  this.page = pageNumber;
                }
                if ('pagemode' in params) {
                  this.eventBus.dispatch('pagemode', {
                    source: this,
                    mode: params.pagemode
                  });
                }
              } else {
                dest = unescape(hash);
                try {
                  dest = JSON.parse(dest);
                  if (!Array.isArray(dest)) {
                    dest = dest.toString();
                  }
                } catch (ex) {}
                if (typeof dest === 'string' || isValidExplicitDestination(dest)) {
                  this.navigateTo(dest);
                  return;
                }
                console.error('PDFLinkService.setHash: "' + unescape(hash) + '" is not ' + 'a valid destination.');
              }
            }
          }, {
            key: 'executeNamedAction',
            value: function executeNamedAction(action) {
              switch (action) {
                case 'GoBack':
                  if (this.pdfHistory) {
                    this.pdfHistory.back();
                  }
                  break;
                case 'GoForward':
                  if (this.pdfHistory) {
                    this.pdfHistory.forward();
                  }
                  break;
                case 'NextPage':
                  if (this.page < this.pagesCount) {
                    this.page++;
                  }
                  break;
                case 'PrevPage':
                  if (this.page > 1) {
                    this.page--;
                  }
                  break;
                case 'LastPage':
                  this.page = this.pagesCount;
                  break;
                case 'FirstPage':
                  this.page = 1;
                  break;
                default:
                  break;
              }
              this.eventBus.dispatch('namedaction', {
                source: this,
                action: action
              });
            }
          }, {
            key: 'cachePageRef',
            value: function cachePageRef(pageNum, pageRef) {

              if (!pageRef) {
                return;
              }

              var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
              this._pagesRefCache[refStr] = pageNum;
              page_cache =  this._pagesRefCache;
            }
          }, {
            key: '_cachedPageNumber',
            value: function _cachedPageNumber(pageRef) {

              var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
              /* 	console.log("传过来的参数："+refStr);
			console.log("返回值为："+(this._pagesRefCache && this._pagesRefCache[refStr] || null));
		//	console.log("第一个参数："+this._pagesRefCache);
		console.log("第二个参数（后）："+this._pagesRefCache[refStr]); */
              return this._pagesRefCache && this._pagesRefCache[refStr] || null;
            }
          }, {
            key: 'pagesCount',
            get: function get() {
              return this.pdfDocument ? this.pdfDocument.numPages : 0;
            }
          }, {
            key: 'page',
            get: function get() {
              return this.pdfViewer.currentPageNumber;
            },
            set: function set(value) {
              this.pdfViewer.currentPageNumber = value;
            }
          }, {
            key: 'rotation',
            get: function get() {
              return this.pdfViewer.pagesRotation;
            },
            set: function set(value) {
              this.pdfViewer.pagesRotation = value;
            }
          }]);

          return PDFLinkService;
        }();

        function isValidExplicitDestination(dest) {
          if (!Array.isArray(dest)) {
            return false;
          }
          var destLength = dest.length,
              allowNull = true;
          if (destLength < 2) {
            return false;
          }
          var page = dest[0];
          if (!((typeof page === 'undefined' ? 'undefined' : _typeof(page)) === 'object' && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
            return false;
          }
          var zoom = dest[1];
          if (!((typeof zoom === 'undefined' ? 'undefined' : _typeof(zoom)) === 'object' && typeof zoom.name === 'string')) {
            return false;
          }
          switch (zoom.name) {
            case 'XYZ':
              if (destLength !== 5) {
                return false;
              }
              break;
            case 'Fit':
            case 'FitB':
              return destLength === 2;
            case 'FitH':
            case 'FitBH':
            case 'FitV':
            case 'FitBV':
              if (destLength !== 3) {
                return false;
              }
              break;
            case 'FitR':
              if (destLength !== 6) {
                return false;
              }
              allowNull = false;
              break;
            default:
              return false;
          }
          for (var i = 2; i < destLength; i++) {
            var param = dest[i];
            if (!(typeof param === 'number' || allowNull && param === null)) {
              return false;
            }
          }
          return true;
        }

        var SimpleLinkService = function () {
          function SimpleLinkService() {
            _classCallCheck(this, SimpleLinkService);

            this.externalLinkTarget = null;
            this.externalLinkRel = null;
          }

          _createClass(SimpleLinkService, [{
            key: 'navigateTo',
            value: function navigateTo(dest) {}
          }, {
            key: 'getDestinationHash',
            value: function getDestinationHash(dest) {
              return '#';
            }
          }, {
            key: 'getAnchorUrl',
            value: function getAnchorUrl(hash) {
              return '#';
            }
          }, {
            key: 'setHash',
            value: function setHash(hash) {}
          }, {
            key: 'executeNamedAction',
            value: function executeNamedAction(action) {}
          }, {
            key: 'cachePageRef',
            value: function cachePageRef(pageNum, pageRef) {}
          }, {
            key: 'pagesCount',
            get: function get() {
              return 0;
            }
          }, {
            key: 'page',
            get: function get() {
              return 0;
            },
            set: function set(value) {}
          }, {
            key: 'rotation',
            get: function get() {
              return 0;
            },
            set: function set(value) {}
          }]);

          return SimpleLinkService;
        }();

        exports.PDFLinkService = PDFLinkService;
        exports.SimpleLinkService = SimpleLinkService;

        /***/ }),
      /* 24 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFOutlineViewer = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _pdfjsLib = __webpack_require__(7);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var DEFAULT_TITLE = '\u2013';

        var PDFOutlineViewer = function () {
          function PDFOutlineViewer(_ref) {
            var container = _ref.container,
                linkService = _ref.linkService,
                eventBus = _ref.eventBus;

            _classCallCheck(this, PDFOutlineViewer);

            this.container = container;
            this.linkService = linkService;
            this.eventBus = eventBus;
            this.reset();
            eventBus.on('toggleoutlinetree', this.toggleOutlineTree.bind(this));
          }

          _createClass(PDFOutlineViewer, [{
            key: 'reset',
            value: function reset() {
              this.outline = null;
              this.lastToggleIsShow = true;
              this.container.textContent = '';
              this.container.classList.remove('outlineWithDeepNesting');
            }
          }, {
            key: '_dispatchEvent',
            value: function _dispatchEvent(outlineCount) {
              this.eventBus.dispatch('outlineloaded', {
                source: this,
                outlineCount: outlineCount
              });
            }
          }, {
            key: '_bindLink',
            value: function _bindLink(element, _ref2) {
              var url = _ref2.url,
                  newWindow = _ref2.newWindow,
                  dest = _ref2.dest;
              var linkService = this.linkService;

              if (url) {
                (0, _pdfjsLib.addLinkAttributes)(element, {
                  url: url,
                  target: newWindow ? _pdfjsLib.LinkTarget.BLANK : linkService.externalLinkTarget,
                  rel: linkService.externalLinkRel
                });
                return;
              }
              element.href = linkService.getDestinationHash(dest);
              element.onclick = function () {
                if (dest) {
                  linkService.navigateTo(dest);
                }
                return false;
              };
            }
          }, {
            key: '_setStyles',
            value: function _setStyles(element, _ref3) {
              var bold = _ref3.bold,
                  italic = _ref3.italic;

              var styleStr = '';
              if (bold) {
                styleStr += 'font-weight: bold;';
              }
              if (italic) {
                styleStr += 'font-style: italic;';
              }
              if (styleStr) {
                element.setAttribute('style', styleStr);
              }
            }
          }, {
            key: '_addToggleButton',
            value: function _addToggleButton(div) {
              var _this = this;

              var toggler = document.createElement('div');
              toggler.className = 'outlineItemToggler';
              toggler.onclick = function (evt) {
                evt.stopPropagation();
                toggler.classList.toggle('outlineItemsHidden');
                if (evt.shiftKey) {
                  var shouldShowAll = !toggler.classList.contains('outlineItemsHidden');
                  _this._toggleOutlineItem(div, shouldShowAll);
                }
              };
              div.insertBefore(toggler, div.firstChild);
            }
          }, {
            key: '_toggleOutlineItem',
            value: function _toggleOutlineItem(root, show) {
              this.lastToggleIsShow = show;
              var togglers = root.querySelectorAll('.outlineItemToggler');
              for (var i = 0, ii = togglers.length; i < ii; ++i) {
                togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden');
              }
            }
          }, {
            key: 'toggleOutlineTree',
            value: function toggleOutlineTree() {
              if (!this.outline) {
                return;
              }
              this._toggleOutlineItem(this.container, !this.lastToggleIsShow);
            }
          }, {
            key: 'render',
            value: function render(_ref4) {
              var outline = _ref4.outline;

              var outlineCount = 0;
              if (this.outline) {
                this.reset();
              }
              this.outline = outline || null;
              if (!outline) {
                this._dispatchEvent(outlineCount);
                return;
              }
              var fragment = document.createDocumentFragment();
              var queue = [{
                parent: fragment,
                items: this.outline
              }];
              var hasAnyNesting = false;
              while (queue.length > 0) {
                var levelData = queue.shift();
                for (var i = 0, len = levelData.items.length; i < len; i++) {
                  var item = levelData.items[i];
                  var div = document.createElement('div');
                  div.className = 'outlineItem';
                  var element = document.createElement('a');
                  this._bindLink(element, item);
                  this._setStyles(element, item);
                  element.textContent = (0, _pdfjsLib.removeNullCharacters)(item.title) || DEFAULT_TITLE;
                  div.appendChild(element);
                  if (item.items.length > 0) {
                    hasAnyNesting = true;
                    this._addToggleButton(div);
                    var itemsDiv = document.createElement('div');
                    itemsDiv.className = 'outlineItems';
                    div.appendChild(itemsDiv);
                    queue.push({
                      parent: itemsDiv,
                      items: item.items
                    });
                  }
                  levelData.parent.appendChild(div);
                  outlineCount++;
                }
              }
              if (hasAnyNesting) {
                this.container.classList.add('outlineWithDeepNesting');
              }
              this.container.appendChild(fragment);
              this._dispatchEvent(outlineCount);
            }
          }]);

          return PDFOutlineViewer;
        }();

        exports.PDFOutlineViewer = PDFOutlineViewer;

        /***/ }),
      /* 25 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFPresentationMode = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _ui_utils = __webpack_require__(6);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
        var DELAY_BEFORE_HIDING_CONTROLS = 3000;
        var ACTIVE_SELECTOR = 'pdfPresentationMode';
        var CONTROLS_SELECTOR = 'pdfPresentationModeControls';
        var MOUSE_SCROLL_COOLDOWN_TIME = 50;
        var PAGE_SWITCH_THRESHOLD = 0.1;
        var SWIPE_MIN_DISTANCE_THRESHOLD = 50;
        var SWIPE_ANGLE_THRESHOLD = Math.PI / 6;

        var PDFPresentationMode = function () {
          function PDFPresentationMode(_ref) {
            var _this = this;

            var container = _ref.container,
                _ref$viewer = _ref.viewer,
                viewer = _ref$viewer === undefined ? null : _ref$viewer,
                pdfViewer = _ref.pdfViewer,
                eventBus = _ref.eventBus,
                _ref$contextMenuItems = _ref.contextMenuItems,
                contextMenuItems = _ref$contextMenuItems === undefined ? null : _ref$contextMenuItems;

            _classCallCheck(this, PDFPresentationMode);

            this.container = container;
            this.viewer = viewer || container.firstElementChild;
            this.pdfViewer = pdfViewer;
            this.eventBus = eventBus;
            this.active = false;
            this.args = null;
            this.contextMenuOpen = false;
            this.mouseScrollTimeStamp = 0;
            this.mouseScrollDelta = 0;
            this.touchSwipeState = null;
            if (contextMenuItems) {
              contextMenuItems.contextFirstPage.addEventListener('click', function () {
                _this.contextMenuOpen = false;
                _this.eventBus.dispatch('firstpage', { source: _this });
              });
              contextMenuItems.contextLastPage.addEventListener('click', function () {
                _this.contextMenuOpen = false;
                _this.eventBus.dispatch('lastpage', { source: _this });
              });
              contextMenuItems.contextPageRotateCw.addEventListener('click', function () {
                _this.contextMenuOpen = false;
                _this.eventBus.dispatch('rotatecw', { source: _this });
              });
              contextMenuItems.contextPageRotateCcw.addEventListener('click', function () {
                _this.contextMenuOpen = false;
                _this.eventBus.dispatch('rotateccw', { source: _this });
              });
            }
          }

          _createClass(PDFPresentationMode, [{
            key: 'request',
            value: function request() {
              if (this.switchInProgress || this.active || !this.viewer.hasChildNodes()) {
                return false;
              }
              this._addFullscreenChangeListeners();
              this._setSwitchInProgress();
              this._notifyStateChange();
              if (this.container.requestFullscreen) {
                this.container.requestFullscreen();
              } else if (this.container.mozRequestFullScreen) {
                this.container.mozRequestFullScreen();
              } else if (this.container.webkitRequestFullscreen) {
                this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
              } else if (this.container.msRequestFullscreen) {
                this.container.msRequestFullscreen();
              } else {
                return false;
              }
              this.args = {
                page: this.pdfViewer.currentPageNumber,
                previousScale: this.pdfViewer.currentScaleValue
              };
              return true;
            }
          }, {
            key: '_mouseWheel',
            value: function _mouseWheel(evt) {
              if (!this.active) {
                return;
              }
              evt.preventDefault();
              var delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
              var currentTime = new Date().getTime();
              var storedTime = this.mouseScrollTimeStamp;
              if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
                return;
              }
              if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
                this._resetMouseScrollState();
              }
              this.mouseScrollDelta += delta;
              if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
                var totalDelta = this.mouseScrollDelta;
                this._resetMouseScrollState();
                var success = totalDelta > 0 ? this._goToPreviousPage() : this._goToNextPage();
                if (success) {
                  this.mouseScrollTimeStamp = currentTime;
                }
              }
            }
          }, {
            key: '_goToPreviousPage',
            value: function _goToPreviousPage() {
              var page = this.pdfViewer.currentPageNumber;
              if (page <= 1) {
                return false;
              }
              this.pdfViewer.currentPageNumber = page - 1;
              return true;
            }
          }, {
            key: '_goToNextPage',
            value: function _goToNextPage() {
              var page = this.pdfViewer.currentPageNumber;
              if (page >= this.pdfViewer.pagesCount) {
                return false;
              }
              this.pdfViewer.currentPageNumber = page + 1;
              return true;
            }
          }, {
            key: '_notifyStateChange',
            value: function _notifyStateChange() {
              this.eventBus.dispatch('presentationmodechanged', {
                source: this,
                active: this.active,
                switchInProgress: !!this.switchInProgress
              });
            }
          }, {
            key: '_setSwitchInProgress',
            value: function _setSwitchInProgress() {
              var _this2 = this;

              if (this.switchInProgress) {
                clearTimeout(this.switchInProgress);
              }
              this.switchInProgress = setTimeout(function () {
                _this2._removeFullscreenChangeListeners();
                delete _this2.switchInProgress;
                _this2._notifyStateChange();
              }, DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
            }
          }, {
            key: '_resetSwitchInProgress',
            value: function _resetSwitchInProgress() {
              if (this.switchInProgress) {
                clearTimeout(this.switchInProgress);
                delete this.switchInProgress;
              }
            }
          }, {
            key: '_enter',
            value: function _enter() {
              var _this3 = this;

              this.active = true;
              this._resetSwitchInProgress();
              this._notifyStateChange();
              this.container.classList.add(ACTIVE_SELECTOR);
              setTimeout(function () {
                _this3.pdfViewer.currentPageNumber = _this3.args.page;
                _this3.pdfViewer.currentScaleValue = 'page-fit';
              }, 0);
              this._addWindowListeners();
              this._showControls();
              this.contextMenuOpen = false;
              this.container.setAttribute('contextmenu', 'viewerContextMenu');
              window.getSelection().removeAllRanges();
            }
          }, {
            key: '_exit',
            value: function _exit() {
              var _this4 = this;

              var page = this.pdfViewer.currentPageNumber;
              this.container.classList.remove(ACTIVE_SELECTOR);
              setTimeout(function () {
                _this4.active = false;
                _this4._removeFullscreenChangeListeners();
                _this4._notifyStateChange();
                _this4.pdfViewer.currentScaleValue = _this4.args.previousScale;
                _this4.pdfViewer.currentPageNumber = page;
                _this4.args = null;
              }, 0);
              this._removeWindowListeners();
              this._hideControls();
              this._resetMouseScrollState();
              this.container.removeAttribute('contextmenu');
              this.contextMenuOpen = false;
            }
          }, {
            key: '_mouseDown',
            value: function _mouseDown(evt) {
              if (this.contextMenuOpen) {
                this.contextMenuOpen = false;
                evt.preventDefault();
                return;
              }
              if (evt.button === 0) {
                var isInternalLink = evt.target.href && evt.target.classList.contains('internalLink');
                if (!isInternalLink) {
                  evt.preventDefault();
                  if (evt.shiftKey) {
                    this._goToPreviousPage();
                  } else {
                    this._goToNextPage();
                  }
                }
              }
            }
          }, {
            key: '_contextMenu',
            value: function _contextMenu() {
              this.contextMenuOpen = true;
            }
          }, {
            key: '_showControls',
            value: function _showControls() {
              var _this5 = this;

              if (this.controlsTimeout) {
                clearTimeout(this.controlsTimeout);
              } else {
                this.container.classList.add(CONTROLS_SELECTOR);
              }
              this.controlsTimeout = setTimeout(function () {
                _this5.container.classList.remove(CONTROLS_SELECTOR);
                delete _this5.controlsTimeout;
              }, DELAY_BEFORE_HIDING_CONTROLS);
            }
          }, {
            key: '_hideControls',
            value: function _hideControls() {
              if (!this.controlsTimeout) {
                return;
              }
              clearTimeout(this.controlsTimeout);
              this.container.classList.remove(CONTROLS_SELECTOR);
              delete this.controlsTimeout;
            }
          }, {
            key: '_resetMouseScrollState',
            value: function _resetMouseScrollState() {
              this.mouseScrollTimeStamp = 0;
              this.mouseScrollDelta = 0;
            }
          }, {
            key: '_touchSwipe',
            value: function _touchSwipe(evt) {
              if (!this.active) {
                return;
              }
              if (evt.touches.length > 1) {
                this.touchSwipeState = null;
                return;
              }
              switch (evt.type) {
                case 'touchstart':
                  this.touchSwipeState = {
                    startX: evt.touches[0].pageX,
                    startY: evt.touches[0].pageY,
                    endX: evt.touches[0].pageX,
                    endY: evt.touches[0].pageY
                  };
                  break;
                case 'touchmove':
                  if (this.touchSwipeState === null) {
                    return;
                  }
                  this.touchSwipeState.endX = evt.touches[0].pageX;
                  this.touchSwipeState.endY = evt.touches[0].pageY;
                  evt.preventDefault();
                  break;
                case 'touchend':
                  if (this.touchSwipeState === null) {
                    return;
                  }
                  var delta = 0;
                  var dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
                  var dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
                  var absAngle = Math.abs(Math.atan2(dy, dx));
                  if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
                    delta = dx;
                  } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
                    delta = dy;
                  }
                  if (delta > 0) {
                    this._goToPreviousPage();
                  } else if (delta < 0) {
                    this._goToNextPage();
                  }
                  break;
              }
            }
          }, {
            key: '_addWindowListeners',
            value: function _addWindowListeners() {
              this.showControlsBind = this._showControls.bind(this);
              this.mouseDownBind = this._mouseDown.bind(this);
              this.mouseWheelBind = this._mouseWheel.bind(this);
              this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this);
              this.contextMenuBind = this._contextMenu.bind(this);
              this.touchSwipeBind = this._touchSwipe.bind(this);
              window.addEventListener('mousemove', this.showControlsBind);
              window.addEventListener('mousedown', this.mouseDownBind);
              window.addEventListener('wheel', this.mouseWheelBind);
              window.addEventListener('keydown', this.resetMouseScrollStateBind);
              window.addEventListener('contextmenu', this.contextMenuBind);
              window.addEventListener('touchstart', this.touchSwipeBind);
              window.addEventListener('touchmove', this.touchSwipeBind);
              window.addEventListener('touchend', this.touchSwipeBind);
            }
          }, {
            key: '_removeWindowListeners',
            value: function _removeWindowListeners() {
              window.removeEventListener('mousemove', this.showControlsBind);
              window.removeEventListener('mousedown', this.mouseDownBind);
              window.removeEventListener('wheel', this.mouseWheelBind);
              window.removeEventListener('keydown', this.resetMouseScrollStateBind);
              window.removeEventListener('contextmenu', this.contextMenuBind);
              window.removeEventListener('touchstart', this.touchSwipeBind);
              window.removeEventListener('touchmove', this.touchSwipeBind);
              window.removeEventListener('touchend', this.touchSwipeBind);
              delete this.showControlsBind;
              delete this.mouseDownBind;
              delete this.mouseWheelBind;
              delete this.resetMouseScrollStateBind;
              delete this.contextMenuBind;
              delete this.touchSwipeBind;
            }
          }, {
            key: '_fullscreenChange',
            value: function _fullscreenChange() {
              if (this.isFullscreen) {
                this._enter();
              } else {
                this._exit();
              }
            }
          }, {
            key: '_addFullscreenChangeListeners',
            value: function _addFullscreenChangeListeners() {
              this.fullscreenChangeBind = this._fullscreenChange.bind(this);
              window.addEventListener('fullscreenchange', this.fullscreenChangeBind);
              window.addEventListener('mozfullscreenchange', this.fullscreenChangeBind);
              window.addEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
              window.addEventListener('MSFullscreenChange', this.fullscreenChangeBind);
            }
          }, {
            key: '_removeFullscreenChangeListeners',
            value: function _removeFullscreenChangeListeners() {
              window.removeEventListener('fullscreenchange', this.fullscreenChangeBind);
              window.removeEventListener('mozfullscreenchange', this.fullscreenChangeBind);
              window.removeEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
              window.removeEventListener('MSFullscreenChange', this.fullscreenChangeBind);
              delete this.fullscreenChangeBind;
            }
          }, {
            key: 'isFullscreen',
            get: function get() {
              return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen || document.msFullscreenElement);
            }
          }]);

          return PDFPresentationMode;
        }();

        exports.PDFPresentationMode = PDFPresentationMode;

        /***/ }),
      /* 26 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFSidebarResizer = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _ui_utils = __webpack_require__(6);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var SIDEBAR_WIDTH_VAR = '--sidebar-width';
        var SIDEBAR_MIN_WIDTH = 200;
        var SIDEBAR_RESIZING_CLASS = 'sidebarResizing';

        var PDFSidebarResizer = function () {
          function PDFSidebarResizer(options, eventBus) {
            var _this = this;

            var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

            _classCallCheck(this, PDFSidebarResizer);

            this.enabled = false;
            this.isRTL = false;
            this.sidebarOpen = false;
            this.doc = document.documentElement;
            this._width = null;
            this._outerContainerWidth = null;
            this._boundEvents = Object.create(null);
            this.outerContainer = options.outerContainer;
            this.resizer = options.resizer;
            this.eventBus = eventBus;
            this.l10n = l10n;
            if (typeof CSS === 'undefined' || typeof CSS.supports !== 'function' || !CSS.supports(SIDEBAR_WIDTH_VAR, 'calc(-1 * ' + SIDEBAR_MIN_WIDTH + 'px)')) {
              console.warn('PDFSidebarResizer: ' + 'The browser does not support resizing of the sidebar.');
              return;
            }
            this.enabled = true;
            this.resizer.classList.remove('hidden');
            this.l10n.getDirection().then(function (dir) {
              _this.isRTL = dir === 'rtl';
            });
            this._addEventListeners();
          }

          _createClass(PDFSidebarResizer, [{
            key: '_updateWidth',
            value: function _updateWidth() {
              var width = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;

              if (!this.enabled) {
                return false;
              }
              var maxWidth = Math.floor(this.outerContainerWidth / 2);
              if (width > maxWidth) {
                width = maxWidth;
              }
              if (width < SIDEBAR_MIN_WIDTH) {
                width = SIDEBAR_MIN_WIDTH;
              }
              if (width === this._width) {
                return false;
              }
              this._width = width;
              this.doc.style.setProperty(SIDEBAR_WIDTH_VAR, width + 'px');
              return true;
            }
          }, {
            key: '_mouseMove',
            value: function _mouseMove(evt) {
              var width = evt.clientX;
              if (this.isRTL) {
                width = this.outerContainerWidth - width;
              }
              this._updateWidth(width);
            }
          }, {
            key: '_mouseUp',
            value: function _mouseUp(evt) {
              this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
              this.eventBus.dispatch('resize', { source: this });
              var _boundEvents = this._boundEvents;
              window.removeEventListener('mousemove', _boundEvents.mouseMove);
              window.removeEventListener('mouseup', _boundEvents.mouseUp);
            }
          }, {
            key: '_addEventListeners',
            value: function _addEventListeners() {
              var _this2 = this;

              if (!this.enabled) {
                return;
              }
              var _boundEvents = this._boundEvents;
              _boundEvents.mouseMove = this._mouseMove.bind(this);
              _boundEvents.mouseUp = this._mouseUp.bind(this);
              this.resizer.addEventListener('mousedown', function (evt) {
                if (evt.button !== 0) {
                  return;
                }
                _this2.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
                window.addEventListener('mousemove', _boundEvents.mouseMove);
                window.addEventListener('mouseup', _boundEvents.mouseUp);
              });
              this.eventBus.on('sidebarviewchanged', function (evt) {
                _this2.sidebarOpen = !!(evt && evt.view);
              });
              this.eventBus.on('resize', function (evt) {
                if (evt && evt.source === window) {
                  _this2._outerContainerWidth = null;
                  if (_this2._width) {
                    if (_this2.sidebarOpen) {
                      _this2.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
                      var updated = _this2._updateWidth(_this2._width);
                      Promise.resolve().then(function () {
                        _this2.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
                        if (updated) {
                          _this2.eventBus.dispatch('resize', { source: _this2 });
                        }
                      });
                    } else {
                      _this2._updateWidth(_this2._width);
                    }
                  }
                }
              });
            }
          }, {
            key: 'outerContainerWidth',
            get: function get() {
              if (!this._outerContainerWidth) {
                this._outerContainerWidth = this.outerContainer.clientWidth;
              }
              return this._outerContainerWidth;
            }
          }]);

          return PDFSidebarResizer;
        }();

        exports.PDFSidebarResizer = PDFSidebarResizer;

        /***/ }),
      /* 27 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFThumbnailViewer = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _ui_utils = __webpack_require__(6);

        var _pdf_thumbnail_view = __webpack_require__(28);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var THUMBNAIL_SCROLL_MARGIN = -19;
        var THUMBNAIL_SELECTED_CLASS = 'selected';

        var PDFThumbnailViewer = function () {
          function PDFThumbnailViewer(_ref) {
            var container = _ref.container,
                linkService = _ref.linkService,
                renderingQueue = _ref.renderingQueue,
                _ref$l10n = _ref.l10n,
                l10n = _ref$l10n === undefined ? _ui_utils.NullL10n : _ref$l10n;

            _classCallCheck(this, PDFThumbnailViewer);

            this.container = container;
            this.linkService = linkService;
            this.renderingQueue = renderingQueue;
            this.l10n = l10n;
            this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this));
            this._resetView();
          }

          _createClass(PDFThumbnailViewer, [{
            key: '_scrollUpdated',
            value: function _scrollUpdated() {
              this.renderingQueue.renderHighestPriority();
            }
          }, {
            key: 'getThumbnail',
            value: function getThumbnail(index) {
              return this._thumbnails[index];
            }
          }, {
            key: '_getVisibleThumbs',
            value: function _getVisibleThumbs() {
              return (0, _ui_utils.getVisibleElements)(this.container, this._thumbnails);
            }
          }, {
            key: 'scrollThumbnailIntoView',
            value: function scrollThumbnailIntoView(pageNumber) {
              if (!this.pdfDocument) {
                return;
              }
              var thumbnailView = this._thumbnails[pageNumber - 1];
              if (!thumbnailView) {
                console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
                return;
              }
              if (pageNumber !== this._currentPageNumber) {
                var prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
                prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
                thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
              }
              var visibleThumbs = this._getVisibleThumbs();
              var numVisibleThumbs = visibleThumbs.views.length;
              if (numVisibleThumbs > 0) {
                var first = visibleThumbs.first.id;
                var last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first;
                var shouldScroll = false;
                if (pageNumber <= first || pageNumber >= last) {
                  shouldScroll = true;
                } else {
                  visibleThumbs.views.some(function (view) {
                    if (view.id !== pageNumber) {
                      return false;
                    }
                    shouldScroll = view.percent < 100;
                    return true;
                  });
                }
                if (shouldScroll) {
                  (0, _ui_utils.scrollIntoView)(thumbnailView.div, { top: THUMBNAIL_SCROLL_MARGIN });
                }
              }
              this._currentPageNumber = pageNumber;
            }
          }, {
            key: 'cleanup',
            value: function cleanup() {
              _pdf_thumbnail_view.PDFThumbnailView.cleanup();
            }
          }, {
            key: '_resetView',
            value: function _resetView() {
              this._thumbnails = [];
              this._currentPageNumber = 1;
              this._pageLabels = null;
              this._pagesRotation = 0;
              this._pagesRequests = [];
              this.container.textContent = '';
            }
          }, {
            key: 'setDocument',
            value: function setDocument(pdfDocument) {
              var _this = this;

              if (this.pdfDocument) {
                this._cancelRendering();
                this._resetView();
              }
              this.pdfDocument = pdfDocument;
              if (!pdfDocument) {
                return;
              }
              pdfDocument.getPage(1).then(function (firstPage) {
                var pagesCount = pdfDocument.numPages;
                var viewport = firstPage.getViewport(1.0);
                for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
                  var thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
                    container: _this.container,
                    id: pageNum,
                    defaultViewport: viewport.clone(),
                    linkService: _this.linkService,
                    renderingQueue: _this.renderingQueue,
                    disableCanvasToImageConversion: false,
                    l10n: _this.l10n
                  });
                  _this._thumbnails.push(thumbnail);
                }
                var thumbnailView = _this._thumbnails[_this._currentPageNumber - 1];
                thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
              }).catch(function (reason) {
                console.error('Unable to initialize thumbnail viewer', reason);
              });
            }
          }, {
            key: '_cancelRendering',
            value: function _cancelRendering() {
              for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
                if (this._thumbnails[i]) {
                  this._thumbnails[i].cancelRendering();
                }
              }
            }
          }, {
            key: 'setPageLabels',
            value: function setPageLabels(labels) {
              if (!this.pdfDocument) {
                return;
              }
              if (!labels) {
                this._pageLabels = null;
              } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
                this._pageLabels = null;
                console.error('PDFThumbnailViewer_setPageLabels: Invalid page labels.');
              } else {
                this._pageLabels = labels;
              }
              for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
                var label = this._pageLabels && this._pageLabels[i];
                this._thumbnails[i].setPageLabel(label);
              }
            }
          }, {
            key: '_ensurePdfPageLoaded',
            value: function _ensurePdfPageLoaded(thumbView) {
              var _this2 = this;

              if (thumbView.pdfPage) {
                return Promise.resolve(thumbView.pdfPage);
              }
              var pageNumber = thumbView.id;
              if (this._pagesRequests[pageNumber]) {
                return this._pagesRequests[pageNumber];
              }
              var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
                thumbView.setPdfPage(pdfPage);
                _this2._pagesRequests[pageNumber] = null;
                return pdfPage;
              }).catch(function (reason) {
                console.error('Unable to get page for thumb view', reason);
                _this2._pagesRequests[pageNumber] = null;
              });
              this._pagesRequests[pageNumber] = promise;
              return promise;
            }
          }, {
            key: 'forceRendering',
            value: function forceRendering() {
              var _this3 = this;

              var visibleThumbs = this._getVisibleThumbs();
              var thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, this.scroll.down);
              if (thumbView) {
                this._ensurePdfPageLoaded(thumbView).then(function () {
                  _this3.renderingQueue.renderView(thumbView);
                });
                return true;
              }
              return false;
            }
          }, {
            key: 'pagesRotation',
            get: function get() {
              return this._pagesRotation;
            },
            set: function set(rotation) {
              if (!(0, _ui_utils.isValidRotation)(rotation)) {
                throw new Error('Invalid thumbnails rotation angle.');
              }
              if (!this.pdfDocument) {
                return;
              }
              if (this._pagesRotation === rotation) {
                return;
              }
              this._pagesRotation = rotation;
              for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
                this._thumbnails[i].update(rotation);
              }
            }
          }]);

          return PDFThumbnailViewer;
        }();

        exports.PDFThumbnailViewer = PDFThumbnailViewer;

        /***/ }),
      /* 28 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFThumbnailView = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _pdfjsLib = __webpack_require__(7);

        var _ui_utils = __webpack_require__(6);

        var _pdf_rendering_queue = __webpack_require__(10);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var MAX_NUM_SCALING_STEPS = 3;
        var THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
        var THUMBNAIL_WIDTH = 98;
        var TempImageFactory = function TempImageFactoryClosure() {
          var tempCanvasCache = null;
          return {
            getCanvas: function getCanvas(width, height) {
              var tempCanvas = tempCanvasCache;
              if (!tempCanvas) {
                tempCanvas = document.createElement('canvas');
                tempCanvasCache = tempCanvas;
              }
              tempCanvas.width = width;
              tempCanvas.height = height;
              tempCanvas.mozOpaque = true;
              var ctx = tempCanvas.getContext('2d', { alpha: false });
              ctx.save();
              ctx.fillStyle = 'rgb(255, 255, 255)';
              ctx.fillRect(0, 0, width, height);
              ctx.restore();
              return tempCanvas;
            },
            destroyCanvas: function destroyCanvas() {
              var tempCanvas = tempCanvasCache;
              if (tempCanvas) {
                tempCanvas.width = 0;
                tempCanvas.height = 0;
              }
              tempCanvasCache = null;
            }
          };
        }();

        var PDFThumbnailView = function () {
          function PDFThumbnailView(_ref) {
            var container = _ref.container,
                id = _ref.id,
                defaultViewport = _ref.defaultViewport,
                linkService = _ref.linkService,
                renderingQueue = _ref.renderingQueue,
                _ref$disableCanvasToI = _ref.disableCanvasToImageConversion,
                disableCanvasToImageConversion = _ref$disableCanvasToI === undefined ? false : _ref$disableCanvasToI,
                _ref$l10n = _ref.l10n,
                l10n = _ref$l10n === undefined ? _ui_utils.NullL10n : _ref$l10n;

            _classCallCheck(this, PDFThumbnailView);

            this.id = id;
            this.renderingId = 'thumbnail' + id;
            this.pageLabel = null;
            this.pdfPage = null;
            this.rotation = 0;
            this.viewport = defaultViewport;
            this.pdfPageRotate = defaultViewport.rotation;
            this.linkService = linkService;
            this.renderingQueue = renderingQueue;
            this.renderTask = null;
            this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
            this.resume = null;
            this.disableCanvasToImageConversion = disableCanvasToImageConversion;
            this.pageWidth = this.viewport.width;
            this.pageHeight = this.viewport.height;
            this.pageRatio = this.pageWidth / this.pageHeight;
            this.canvasWidth = THUMBNAIL_WIDTH;
            this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
            this.scale = this.canvasWidth / this.pageWidth;
            this.l10n = l10n;
            var anchor = document.createElement('a');
            anchor.href = linkService.getAnchorUrl('#page=' + id);
            this.l10n.get('thumb_page_title', { page: id }, 'Page {{page}}').then(function (msg) {
              anchor.title = msg;
            });
            anchor.onclick = function () {
              linkService.page = id;
              return false;
            };
            this.anchor = anchor;
            var div = document.createElement('div');
            div.className = 'thumbnail';
            div.setAttribute('data-page-number', this.id);
            this.div = div;
            var ring = document.createElement('div');
            ring.className = 'thumbnailSelectionRing';
            var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
            ring.style.width = this.canvasWidth + borderAdjustment + 'px';
            ring.style.height = this.canvasHeight + borderAdjustment + 'px';
            this.ring = ring;
            div.appendChild(ring);
            anchor.appendChild(div);
            container.appendChild(anchor);
          }

          _createClass(PDFThumbnailView, [{
            key: 'setPdfPage',
            value: function setPdfPage(pdfPage) {
              this.pdfPage = pdfPage;
              this.pdfPageRotate = pdfPage.rotate;
              var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
              this.viewport = pdfPage.getViewport(1, totalRotation);
              this.reset();
            }
          }, {
            key: 'reset',
            value: function reset() {
              this.cancelRendering();
              this.pageWidth = this.viewport.width;
              this.pageHeight = this.viewport.height;
              this.pageRatio = this.pageWidth / this.pageHeight;
              this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
              this.scale = this.canvasWidth / this.pageWidth;
              this.div.removeAttribute('data-loaded');
              var ring = this.ring;
              var childNodes = ring.childNodes;
              for (var i = childNodes.length - 1; i >= 0; i--) {
                ring.removeChild(childNodes[i]);
              }
              var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
              ring.style.width = this.canvasWidth + borderAdjustment + 'px';
              ring.style.height = this.canvasHeight + borderAdjustment + 'px';
              if (this.canvas) {
                this.canvas.width = 0;
                this.canvas.height = 0;
                delete this.canvas;
              }
              if (this.image) {
                this.image.removeAttribute('src');
                delete this.image;
              }
            }
          }, {
            key: 'update',
            value: function update(rotation) {
              if (typeof rotation !== 'undefined') {
                this.rotation = rotation;
              }
              var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
              this.viewport = this.viewport.clone({
                scale: 1,
                rotation: totalRotation
              });
              this.reset();
            }
          }, {
            key: 'cancelRendering',
            value: function cancelRendering() {
              if (this.renderTask) {
                this.renderTask.cancel();
                this.renderTask = null;
              }
              this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
              this.resume = null;
            }
          }, {
            key: '_getPageDrawContext',
            value: function _getPageDrawContext() {
              var noCtxScale = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              var canvas = document.createElement('canvas');
              this.canvas = canvas;
              canvas.mozOpaque = true;
              var ctx = canvas.getContext('2d', { alpha: false });
              var outputScale = (0, _ui_utils.getOutputScale)(ctx);
              canvas.width = this.canvasWidth * outputScale.sx | 0;
              canvas.height = this.canvasHeight * outputScale.sy | 0;
              canvas.style.width = this.canvasWidth + 'px';
              canvas.style.height = this.canvasHeight + 'px';
              if (!noCtxScale && outputScale.scaled) {
                ctx.scale(outputScale.sx, outputScale.sy);
              }
              return ctx;
            }
          }, {
            key: '_convertCanvasToImage',
            value: function _convertCanvasToImage() {
              var _this = this;

              if (!this.canvas) {
                return;
              }
              if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
                return;
              }
              var id = this.renderingId;
              var className = 'thumbnailImage';
              if (this.disableCanvasToImageConversion) {
                this.canvas.id = id;
                this.canvas.className = className;
                this.l10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}').then(function (msg) {
                  _this.canvas.setAttribute('aria-label', msg);
                });
                this.div.setAttribute('data-loaded', true);
                this.ring.appendChild(this.canvas);
                return;
              }
              var image = document.createElement('img');
              image.id = id;
              image.className = className;
              this.l10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}').then(function (msg) {
                image.setAttribute('aria-label', msg);
              });
              image.style.width = this.canvasWidth + 'px';
              image.style.height = this.canvasHeight + 'px';
              image.src = this.canvas.toDataURL();
              this.image = image;
              this.div.setAttribute('data-loaded', true);
              this.ring.appendChild(image);
              this.canvas.width = 0;
              this.canvas.height = 0;
              delete this.canvas;
            }
          }, {
            key: 'draw',
            value: function draw() {
              var _this2 = this;

              if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
                console.error('Must be in new state before drawing');
                return Promise.resolve(undefined);
              }
              this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
              var renderCapability = (0, _pdfjsLib.createPromiseCapability)();
              var finishRenderTask = function finishRenderTask(error) {
                if (renderTask === _this2.renderTask) {
                  _this2.renderTask = null;
                }
                if (error instanceof _pdfjsLib.RenderingCancelledException) {
                  renderCapability.resolve(undefined);
                  return;
                }
                _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
                _this2._convertCanvasToImage();
                if (!error) {
                  renderCapability.resolve(undefined);
                } else {
                  renderCapability.reject(error);
                }
              };
              var ctx = this._getPageDrawContext();
              var drawViewport = this.viewport.clone({ scale: this.scale });
              var renderContinueCallback = function renderContinueCallback(cont) {
                if (!_this2.renderingQueue.isHighestPriority(_this2)) {
                  _this2.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
                  _this2.resume = function () {
                    _this2.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
                    cont();
                  };
                  return;
                }
                cont();
              };
              var renderContext = {
                canvasContext: ctx,
                viewport: drawViewport
              };
              var renderTask = this.renderTask = this.pdfPage.render(renderContext);
              renderTask.onContinue = renderContinueCallback;
              renderTask.promise.then(function () {
                finishRenderTask(null);
              }, function (error) {
                finishRenderTask(error);
              });
              return renderCapability.promise;
            }
          }, {
            key: 'setImage',
            value: function setImage(pageView) {
              if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
                return;
              }
              var img = pageView.canvas;
              if (!img) {
                return;
              }
              if (!this.pdfPage) {
                this.setPdfPage(pageView.pdfPage);
              }
              this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
              var ctx = this._getPageDrawContext(true);
              var canvas = ctx.canvas;
              if (img.width <= 2 * canvas.width) {
                ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
                this._convertCanvasToImage();
                return;
              }
              var reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
              var reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
              var reducedImage = TempImageFactory.getCanvas(reducedWidth, reducedHeight);
              var reducedImageCtx = reducedImage.getContext('2d');
              while (reducedWidth > img.width || reducedHeight > img.height) {
                reducedWidth >>= 1;
                reducedHeight >>= 1;
              }
              reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
              while (reducedWidth > 2 * canvas.width) {
                reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
                reducedWidth >>= 1;
                reducedHeight >>= 1;
              }
              ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
              this._convertCanvasToImage();
            }
          }, {
            key: 'setPageLabel',
            value: function setPageLabel(label) {
              var _this3 = this;

              this.pageLabel = typeof label === 'string' ? label : null;
              this.l10n.get('thumb_page_title', { page: this.pageId }, 'Page {{page}}').then(function (msg) {
                _this3.anchor.title = msg;
              });
              if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
                return;
              }
              this.l10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}').then(function (ariaLabel) {
                if (_this3.image) {
                  _this3.image.setAttribute('aria-label', ariaLabel);
                } else if (_this3.disableCanvasToImageConversion && _this3.canvas) {
                  _this3.canvas.setAttribute('aria-label', ariaLabel);
                }
              });
            }
          }, {
            key: 'pageId',
            get: function get() {
              return this.pageLabel !== null ? this.pageLabel : this.id;
            }
          }], [{
            key: 'cleanup',
            value: function cleanup() {
              TempImageFactory.destroyCanvas();
            }
          }]);

          return PDFThumbnailView;
        }();

        exports.PDFThumbnailView = PDFThumbnailView;

        /***/ }),
      /* 29 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFViewer = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _base_viewer = __webpack_require__(30);

        var _ui_utils = __webpack_require__(6);

        var _pdfjsLib = __webpack_require__(7);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

        function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

        var PDFViewer = function (_BaseViewer) {
          _inherits(PDFViewer, _BaseViewer);

          function PDFViewer() {
            _classCallCheck(this, PDFViewer);

            return _possibleConstructorReturn(this, (PDFViewer.__proto__ || Object.getPrototypeOf(PDFViewer)).apply(this, arguments));
          }

          _createClass(PDFViewer, [{
            key: '_scrollIntoView',
            value: function _scrollIntoView(_ref) {
              var pageDiv = _ref.pageDiv,
                  _ref$pageSpot = _ref.pageSpot,
                  pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot;

              if (!pageSpot && !this.isInPresentationMode) {
                var left = pageDiv.offsetLeft + pageDiv.clientLeft;
                var right = left + pageDiv.clientWidth;
                var _container = this.container,
                    scrollLeft = _container.scrollLeft,
                    clientWidth = _container.clientWidth;

                if (this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) {
                  pageSpot = {
                    left: 0,
                    top: 0
                  };
                }
              }
              (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
            }
          }, {
            key: '_getVisiblePages',
            value: function _getVisiblePages() {
              if (!this.isInPresentationMode) {
                return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true, this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL);
              }
              var currentPage = this._pages[this._currentPageNumber - 1];
              var visible = [{
                id: currentPage.id,
                view: currentPage
              }];
              return {
                first: currentPage,
                last: currentPage,
                views: visible
              };
            }
          }, {
            key: 'update',
            value: function update() {
              var visible = this._getVisiblePages();
              var visiblePages = visible.views,
                  numVisiblePages = visiblePages.length;
              //	console.log("::"+visible+"::"+visiblePages+"::"+numVisiblePages)
              if (numVisiblePages === 0) {
                return;
              }
              this._resizeBuffer(numVisiblePages, visiblePages);
              this.renderingQueue.renderHighestPriority(visible);
              var currentId = this._currentPageNumber;
              var stillFullyVisible = false;
              for (var i = 0; i < numVisiblePages; ++i) {
                var page = visiblePages[i];
                if (page.percent < 100) {
                  break;
                }
                if (page.id === currentId) {
                  stillFullyVisible = true;
                  break;
                }
              }
              if (!stillFullyVisible) {
                currentId = visiblePages[0].id;
              }
              if (!this.isInPresentationMode) {
                this._setCurrentPageNumber(currentId);
              }
              this._updateLocation(visible.first);
              this.eventBus.dispatch('updateviewarea', {
                source: this,
                location: this._location
              });
            }
          }, {
            key: '_setDocumentViewerElement',
            get: function get() {
              return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this.viewer);
            }
          }, {
            key: '_isScrollModeHorizontal',
            get: function get() {
              return this.isInPresentationMode ? false : this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL;
            }
          }]);

          return PDFViewer;
        }(_base_viewer.BaseViewer);

        exports.PDFViewer = PDFViewer;

        /***/ }),
      /* 30 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.SpreadMode = exports.ScrollMode = exports.BaseViewer = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _ui_utils = __webpack_require__(6);

        var _pdf_rendering_queue = __webpack_require__(10);

        var _annotation_layer_builder = __webpack_require__(31);

        var _pdfjsLib = __webpack_require__(7);

        var _dom_events = __webpack_require__(14);

        var _pdf_page_view = __webpack_require__(32);

        var _pdf_link_service = __webpack_require__(23);

        var _text_layer_builder = __webpack_require__(33);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var DEFAULT_CACHE_SIZE = 10;
        var ScrollMode = {
          VERTICAL: 0,
          HORIZONTAL: 1,
          WRAPPED: 2
        };
        var SpreadMode = {
          NONE: 0,
          ODD: 1,
          EVEN: 2
        };
        function PDFPageViewBuffer(size) {
          var data = [];
          this.push = function (view) {
            var i = data.indexOf(view);
            if (i >= 0) {
              data.splice(i, 1);
            }
            data.push(view);
            if (data.length > size) {
              data.shift().destroy();
            }
          };
          this.resize = function (newSize, pagesToKeep) {
            size = newSize;
            if (pagesToKeep) {
              var pageIdsToKeep = new Set();
              for (var i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
                pageIdsToKeep.add(pagesToKeep[i].id);
              }
              (0, _ui_utils.moveToEndOfArray)(data, function (page) {
                return pageIdsToKeep.has(page.id);
              });
            }
            while (data.length > size) {
              data.shift().destroy();
            }
          };
        }
        function isSameScale(oldScale, newScale) {
          if (newScale === oldScale) {
            return true;
          }
          if (Math.abs(newScale - oldScale) < 1e-15) {
            return true;
          }
          return false;
        }

        var BaseViewer = function () {
          function BaseViewer(options) {
            var _this = this;

            _classCallCheck(this, BaseViewer);

            if (this.constructor === BaseViewer) {
              throw new Error('Cannot initialize BaseViewer.');
            }
            this._name = this.constructor.name;
            this.container = options.container;
            this.viewer = options.viewer || options.container.firstElementChild;
            this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)();
            this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
            this.downloadManager = options.downloadManager || null;
            this.findController = options.findController || null;
            this.removePageBorders = options.removePageBorders || false;
            this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
            this.imageResourcesPath = options.imageResourcesPath || '';
            this.renderInteractiveForms = options.renderInteractiveForms || false;
            this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
            this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
            this.enableWebGL = options.enableWebGL || false;
            this.useOnlyCssZoom = options.useOnlyCssZoom || false;
            this.maxCanvasPixels = options.maxCanvasPixels;
            this.l10n = options.l10n || _ui_utils.NullL10n;
            this.defaultRenderingQueue = !options.renderingQueue;
            if (this.defaultRenderingQueue) {
              this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
              this.renderingQueue.setViewer(this);
            } else {
              this.renderingQueue = options.renderingQueue;
            }
            this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
            this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
            this._resetView();
            if (this.removePageBorders) {
              this.viewer.classList.add('removePageBorders');
            }
            Promise.resolve().then(function () {
              _this.eventBus.dispatch('baseviewerinit', { source: _this });
            });
          }

          _createClass(BaseViewer, [{
            key: 'getPageView',
            value: function getPageView(index) {
              return this._pages[index];
            }
          }, {
            key: '_setCurrentPageNumber',
            value: function _setCurrentPageNumber(val) {
              var resetCurrentPageView = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

              if (this._currentPageNumber === val) {
                if (resetCurrentPageView) {
                  this._resetCurrentPageView();
                }
                return;
              }
              if (!(0 < val && val <= this.pagesCount)) {
                console.error(this._name + '._setCurrentPageNumber: "' + val + '" is out of bounds.');
                return;
              }
              var arg = {
                source: this,
                pageNumber: val,
                pageLabel: this._pageLabels && this._pageLabels[val - 1]
              };
              this._currentPageNumber = val;
              this.eventBus.dispatch('pagechanging', arg);
              this.eventBus.dispatch('pagechange', arg);
              if (resetCurrentPageView) {
                this._resetCurrentPageView();
              }
            }
          }, {
            key: 'setDocument',
            value: function setDocument(pdfDocument) {
              var _this2 = this;

              if (this.pdfDocument) {
                this._cancelRendering();
                this._resetView();
                if (this.findController) {
                  this.findController.setDocument(null);
                }
              }
              this.pdfDocument = pdfDocument;
              if (!pdfDocument) {
                return;
              }
              var pagesCount = pdfDocument.numPages;
              var pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
              this.pagesPromise = pagesCapability.promise;
              pagesCapability.promise.then(function () {
                _this2._pageViewsReady = true;
                _this2.eventBus.dispatch('pagesloaded', {
                  source: _this2,
                  pagesCount: pagesCount
                });
              });
              var isOnePageRenderedResolved = false;
              var onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
              this.onePageRendered = onePageRenderedCapability.promise;
              var bindOnAfterAndBeforeDraw = function bindOnAfterAndBeforeDraw(pageView) {
                pageView.onBeforeDraw = function () {
                  _this2._buffer.push(pageView);
                };
                pageView.onAfterDraw = function () {
                  if (!isOnePageRenderedResolved) {
                    isOnePageRenderedResolved = true;
                    onePageRenderedCapability.resolve();
                  }
                };
              };
              var firstPagePromise = pdfDocument.getPage(1);
              this.firstPagePromise = firstPagePromise;
              firstPagePromise.then(function (pdfPage) {
                var scale = _this2.currentScale;
                var viewport = pdfPage.getViewport(scale * _ui_utils.CSS_UNITS);
                for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
                  var textLayerFactory = null;
                  if (_this2.textLayerMode !== _ui_utils.TextLayerMode.DISABLE) {
                    textLayerFactory = _this2;
                  }
                  var pageView = new _pdf_page_view.PDFPageView({
                    container: _this2._setDocumentViewerElement,
                    eventBus: _this2.eventBus,
                    id: pageNum,
                    scale: scale,
                    defaultViewport: viewport.clone(),
                    renderingQueue: _this2.renderingQueue,
                    textLayerFactory: textLayerFactory,
                    textLayerMode: _this2.textLayerMode,
                    annotationLayerFactory: _this2,
                    imageResourcesPath: _this2.imageResourcesPath,
                    renderInteractiveForms: _this2.renderInteractiveForms,
                    renderer: _this2.renderer,
                    enableWebGL: _this2.enableWebGL,
                    useOnlyCssZoom: _this2.useOnlyCssZoom,
                    maxCanvasPixels: _this2.maxCanvasPixels,
                    l10n: _this2.l10n
                  });
                  bindOnAfterAndBeforeDraw(pageView);
                  _this2._pages.push(pageView);
                }
                if (_this2._spreadMode !== SpreadMode.NONE) {
                  _this2._updateSpreadMode();
                }
                onePageRenderedCapability.promise.then(function () {
                  if (pdfDocument.loadingParams['disableAutoFetch']) {
                    pagesCapability.resolve();
                    return;
                  }
                  var getPagesLeft = pagesCount;

                  var _loop = function _loop(_pageNum) {
                    pdfDocument.getPage(_pageNum).then(function (pdfPage) {
                      var pageView = _this2._pages[_pageNum - 1];
                      if (!pageView.pdfPage) {
                        pageView.setPdfPage(pdfPage);
                      }
                      _this2.linkService.cachePageRef(_pageNum, pdfPage.ref);
                      if (--getPagesLeft === 0) {
                        pagesCapability.resolve();
                      }
                    }, function (reason) {
                      console.error('Unable to get page ' + _pageNum + ' to initialize viewer', reason);
                      if (--getPagesLeft === 0) {
                        pagesCapability.resolve();
                      }
                    });
                  };

                  for (var _pageNum = 1; _pageNum <= pagesCount; ++_pageNum) {
                    _loop(_pageNum);
                  }
                });
                _this2.eventBus.dispatch('pagesinit', { source: _this2 });
                if (_this2.findController) {
                  _this2.findController.setDocument(pdfDocument);
                }
                if (_this2.defaultRenderingQueue) {
                  _this2.update();
                }
              }).catch(function (reason) {
                console.error('Unable to initialize viewer', reason);
              });
            }
          }, {
            key: 'setPageLabels',
            value: function setPageLabels(labels) {
              if (!this.pdfDocument) {
                return;
              }
              if (!labels) {
                this._pageLabels = null;
              } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
                this._pageLabels = null;
                console.error(this._name + '.setPageLabels: Invalid page labels.');
              } else {
                this._pageLabels = labels;
              }
              for (var i = 0, ii = this._pages.length; i < ii; i++) {
                var pageView = this._pages[i];
                var label = this._pageLabels && this._pageLabels[i];
                pageView.setPageLabel(label);
              }
            }
          }, {
            key: '_resetView',
            value: function _resetView() {
              this._pages = [];
              this._currentPageNumber = 1;
              this._currentScale = _ui_utils.UNKNOWN_SCALE;
              this._currentScaleValue = null;
              this._pageLabels = null;
              this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
              this._location = null;
              this._pagesRotation = 0;
              this._pagesRequests = [];
              this._pageViewsReady = false;
              this._scrollMode = ScrollMode.VERTICAL;
              this._spreadMode = SpreadMode.NONE;
              this.viewer.textContent = '';
              this._updateScrollMode();
            }
          }, {
            key: '_scrollUpdate',
            value: function _scrollUpdate() {
              if (this.pagesCount === 0) {
                return;
              }
              this.update();
            }
          }, {
            key: '_scrollIntoView',
            value: function _scrollIntoView(_ref) {
              var pageDiv = _ref.pageDiv,
                  _ref$pageSpot = _ref.pageSpot,
                  pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot,
                  _ref$pageNumber = _ref.pageNumber,
                  pageNumber = _ref$pageNumber === undefined ? null : _ref$pageNumber;

              throw new Error('Not implemented: _scrollIntoView');
            }
          }, {
            key: '_setScaleDispatchEvent',
            value: function _setScaleDispatchEvent(newScale, newValue) {
              var preset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

              var arg = {
                source: this,
                scale: newScale,
                presetValue: preset ? newValue : undefined
              };
              this.eventBus.dispatch('scalechanging', arg);
              this.eventBus.dispatch('scalechange', arg);
            }
          }, {
            key: '_setScaleUpdatePages',
            value: function _setScaleUpdatePages(newScale, newValue) {
              var noScroll = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
              var preset = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;

              this._currentScaleValue = newValue.toString();
              if (isSameScale(this._currentScale, newScale)) {
                if (preset) {
                  this._setScaleDispatchEvent(newScale, newValue, true);
                }
                return;
              }
              for (var i = 0, ii = this._pages.length; i < ii; i++) {
                this._pages[i].update(newScale);
              }
              this._currentScale = newScale;
              if (!noScroll) {
                var page = this._currentPageNumber,
                    dest = void 0;
                if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
                  page = this._location.pageNumber;
                  dest = [null, { name: 'XYZ' }, this._location.left, this._location.top, null];
                }
                this.scrollPageIntoView({
                  pageNumber: page,
                  destArray: dest,
                  allowNegativeOffset: true
                });
              }
              this._setScaleDispatchEvent(newScale, newValue, preset);
              if (this.defaultRenderingQueue) {
                this.update();
              }
            }
          }, {
            key: '_setScale',
            value: function _setScale(value) {
              var noScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

              var scale = parseFloat(value);
              if (scale > 0) {
                this._setScaleUpdatePages(scale, value, noScroll, false);
              } else {
                var currentPage = this._pages[this._currentPageNumber - 1];
                if (!currentPage) {
                  return;
                }
                var noPadding = this.isInPresentationMode || this.removePageBorders;
                var hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;
                var vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;
                if (!noPadding && this._isScrollModeHorizontal) {
                  var _ref2 = [vPadding, hPadding];
                  hPadding = _ref2[0];
                  vPadding = _ref2[1];
                }
                var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
                var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
                switch (value) {
                  case 'page-actual':
                    scale = 1;
                    break;
                  case 'page-width':
                    scale = pageWidthScale;
                    break;
                  case 'page-height':
                    scale = pageHeightScale;
                    break;
                  case 'page-fit':
                    scale = Math.min(pageWidthScale, pageHeightScale);
                    break;
                  case 'auto':
                    var horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
                    scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
                    break;
                  default:
                    console.error(this._name + '._setScale: "' + value + '" is an unknown zoom value.');
                    return;
                }
                this._setScaleUpdatePages(scale, value, noScroll, true);
              }
            }
          }, {
            key: '_resetCurrentPageView',
            value: function _resetCurrentPageView() {
              if (this.isInPresentationMode) {
                this._setScale(this._currentScaleValue, true);
              }
              var pageView = this._pages[this._currentPageNumber - 1];
              this._scrollIntoView({ pageDiv: pageView.div });
            }
          }, {
            key: 'scrollPageIntoView',
            value: function scrollPageIntoView(params) {
              if (!this.pdfDocument) {
                return;
              }
              var pageNumber = params.pageNumber || 0;
              var dest = params.destArray || null;
              var allowNegativeOffset = params.allowNegativeOffset || false;
              if (this.isInPresentationMode || !dest) {
                this._setCurrentPageNumber(pageNumber, true);
                return;
              }
              var pageView = this._pages[pageNumber - 1];
              if (!pageView) {
                console.error(this._name + '.scrollPageIntoView: Invalid "pageNumber" parameter.');
                return;
              }
              var x = 0,
                  y = 0;
              var width = 0,
                  height = 0,
                  widthScale = void 0,
                  heightScale = void 0;
              var changeOrientation = pageView.rotation % 180 === 0 ? false : true;
              var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
              var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
              var scale = 0;
              switch (dest[1].name) {
                case 'XYZ':
                  x = dest[2];
                  y = dest[3];
                  scale = dest[4];
                  x = x !== null ? x : 0;
                  y = y !== null ? y : pageHeight;
                  break;
                case 'Fit':
                case 'FitB':
                  scale = 'page-fit';
                  break;
                case 'FitH':
                case 'FitBH':
                  y = dest[2];
                  scale = 'page-width';
                  if (y === null && this._location) {
                    x = this._location.left;
                    y = this._location.top;
                  }
                  break;
                case 'FitV':
                case 'FitBV':
                  x = dest[2];
                  width = pageWidth;
                  height = pageHeight;
                  scale = 'page-height';
                  break;
                case 'FitR':
                  x = dest[2];
                  y = dest[3];
                  width = dest[4] - x;
                  height = dest[5] - y;
                  var hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
                  var vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
                  widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
                  heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
                  scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
                  break;
                default:
                  console.error(this._name + '.scrollPageIntoView: "' + dest[1].name + '" ' + 'is not a valid destination type.');
                  return;
              }
              if (scale && scale !== this._currentScale) {
                this.currentScaleValue = scale;
              } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
                this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
              }
              if (scale === 'page-fit' && !dest[4]) {
                this._scrollIntoView({
                  pageDiv: pageView.div,
                  pageNumber: pageNumber
                });
                return;
              }
              var boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
              var left = Math.min(boundingRect[0][0], boundingRect[1][0]);
              var top = Math.min(boundingRect[0][1], boundingRect[1][1]);
              if (!allowNegativeOffset) {
                left = Math.max(left, 0);
                top = Math.max(top, 0);
              }
              this._scrollIntoView({
                pageDiv: pageView.div,
                pageSpot: {
                  left: left,
                  top: top
                },
                pageNumber: pageNumber
              });
            }
          }, {
            key: '_resizeBuffer',
            value: function _resizeBuffer(numVisiblePages, visiblePages) {
              var suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
              this._buffer.resize(suggestedCacheSize, visiblePages);
            }
          }, {
            key: '_updateLocation',
            value: function _updateLocation(firstPage) {
              var currentScale = this._currentScale;
              var currentScaleValue = this._currentScaleValue;
              var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
              var pageNumber = firstPage.id;
              var pdfOpenParams = '#page=' + pageNumber;
              pdfOpenParams += '&zoom=' + normalizedScaleValue;
              var currentPageView = this._pages[pageNumber - 1];
              var container = this.container;

              var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
              console.log("当前页码topLeft：",topLeft)
              var intLeft = Math.round(topLeft[0]);
              var intTop = Math.round(topLeft[1]);
              pdfOpenParams += ',' + intLeft + ',' + intTop;
              console.log("当前页码："+pageNumber+"当前参数"+pdfOpenParams)
              this._location = {
                pageNumber: pageNumber,
                scale: normalizedScaleValue,
                top: intTop,
                left: intLeft,
                rotation: this._pagesRotation,
                pdfOpenParams: pdfOpenParams
              };
              //给页面赋值
              var page_top = document.getElementById("page_top");
              page_top.value = this._location.top;
              var page_cache = document.getElementById("page_cache");
              page_cache.value = this.getPageCache(this._location.pageNumber);
              console.log("当前页码对应的编码值："+ page_cache.value)
            }
          },{
            //这个方法用来获取对应num的页码cache
            key:'getPageCache',
            value:function getPageCache(pageNum){
              console.log('pageNum', pageNum)
              //循环结果
              var str = JSON.stringify(page_cache);
              	// console.log("格式为："+typeof(JSON.parse(str)))
              	// console.log("json的数据："+str)
              for(var key in JSON.parse(str)){
                if(JSON.parse(str)[key]==pageNum){
                  return key;
                }
              }
            }
          } ,{
            key: 'update',
            value: function update() {
              throw new Error('Not implemented: update');
            }
          }, {
            key: 'containsElement',
            value: function containsElement(element) {
              return this.container.contains(element);
            }
          }, {
            key: 'focus',
            value: function focus() {
              this.container.focus();
            }
          }, {
            key: '_getVisiblePages',
            value: function _getVisiblePages() {
              throw new Error('Not implemented: _getVisiblePages');
            }
          }, {
            key: 'cleanup',
            value: function cleanup() {
              for (var i = 0, ii = this._pages.length; i < ii; i++) {
                if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
                  this._pages[i].reset();
                }
              }
            }
          }, {
            key: '_cancelRendering',
            value: function _cancelRendering() {
              for (var i = 0, ii = this._pages.length; i < ii; i++) {
                if (this._pages[i]) {
                  this._pages[i].cancelRendering();
                }
              }
            }
          }, {
            key: '_ensurePdfPageLoaded',
            value: function _ensurePdfPageLoaded(pageView) {
              var _this3 = this;

              if (pageView.pdfPage) {
                return Promise.resolve(pageView.pdfPage);
              }
              var pageNumber = pageView.id;
              if (this._pagesRequests[pageNumber]) {
                return this._pagesRequests[pageNumber];
              }
              var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
                if (!pageView.pdfPage) {
                  pageView.setPdfPage(pdfPage);
                }
                _this3._pagesRequests[pageNumber] = null;
                return pdfPage;
              }).catch(function (reason) {
                console.error('Unable to get page for page view', reason);
                _this3._pagesRequests[pageNumber] = null;
              });
              this._pagesRequests[pageNumber] = promise;
              return promise;
            }
          }, {
            key: 'forceRendering',
            value: function forceRendering(currentlyVisiblePages) {
              var _this4 = this;

              var visiblePages = currentlyVisiblePages || this._getVisiblePages();
              var scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;
              var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);
              if (pageView) {
                this._ensurePdfPageLoaded(pageView).then(function () {
                  _this4.renderingQueue.renderView(pageView);
                });
                return true;
              }
              return false;
            }
          }, {
            key: 'createTextLayerBuilder',
            value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
              var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;

              return new _text_layer_builder.TextLayerBuilder({
                textLayerDiv: textLayerDiv,
                eventBus: this.eventBus,
                pageIndex: pageIndex,
                viewport: viewport,
                findController: this.isInPresentationMode ? null : this.findController,
                enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
              });
            }
          }, {
            key: 'createAnnotationLayerBuilder',
            value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
              var imageResourcesPath = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
              var renderInteractiveForms = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
              var l10n = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : _ui_utils.NullL10n;

              return new _annotation_layer_builder.AnnotationLayerBuilder({
                pageDiv: pageDiv,
                pdfPage: pdfPage,
                imageResourcesPath: imageResourcesPath,
                renderInteractiveForms: renderInteractiveForms,
                linkService: this.linkService,
                downloadManager: this.downloadManager,
                l10n: l10n
              });
            }
          }, {
            key: 'getPagesOverview',
            value: function getPagesOverview() {
              var pagesOverview = this._pages.map(function (pageView) {
                var viewport = pageView.pdfPage.getViewport(1);
                return {
                  width: viewport.width,
                  height: viewport.height,
                  rotation: viewport.rotation
                };
              });
              if (!this.enablePrintAutoRotate) {
                return pagesOverview;
              }
              var isFirstPagePortrait = (0, _ui_utils.isPortraitOrientation)(pagesOverview[0]);
              return pagesOverview.map(function (size) {
                if (isFirstPagePortrait === (0, _ui_utils.isPortraitOrientation)(size)) {
                  return size;
                }
                return {
                  width: size.height,
                  height: size.width,
                  rotation: (size.rotation + 90) % 360
                };
              });
            }
          }, {
            key: '_updateScrollMode',
            value: function _updateScrollMode() {
              var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
              var scrollMode = this._scrollMode,
                  viewer = this.viewer;
              viewer.classList.toggle('scrollHorizontal', scrollMode === ScrollMode.HORIZONTAL);
              viewer.classList.toggle('scrollWrapped', scrollMode === ScrollMode.WRAPPED);
              if (!this.pdfDocument || !pageNumber) {
                return;
              }
              if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
                this._setScale(this._currentScaleValue, true);
              }
              this.scrollPageIntoView({ pageNumber: pageNumber });
              this.update();
            }
          }, {
            key: '_updateSpreadMode',
            value: function _updateSpreadMode() {
              var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
              if (!this.pdfDocument) {
                return;
              }
              var viewer = this.viewer,
                  pages = this._pages;
              viewer.textContent = '';
              if (this._spreadMode === SpreadMode.NONE) {
                for (var i = 0, iMax = pages.length; i < iMax; ++i) {
                  viewer.appendChild(pages[i].div);
                }
              } else {
                var parity = this._spreadMode - 1;
                var spread = null;
                for (var _i = 0, _iMax = pages.length; _i < _iMax; ++_i) {
                  if (spread === null) {
                    spread = document.createElement('div');
                    spread.className = 'spread';
                    viewer.appendChild(spread);
                  } else if (_i % 2 === parity) {
                    spread = spread.cloneNode(false);
                    viewer.appendChild(spread);
                  }
                  spread.appendChild(pages[_i].div);
                }
              }
              if (!pageNumber) {
                return;
              }
              this.scrollPageIntoView({ pageNumber: pageNumber });
              this.update();
            }
          }, {
            key: 'pagesCount',
            get: function get() {
              return this._pages.length;
            }
          }, {
            key: 'pageViewsReady',
            get: function get() {
              return this._pageViewsReady;
            }
          }, {
            key: 'currentPageNumber',
            get: function get() {
              return this._currentPageNumber;
            },
            set: function set(val) {
              if (!Number.isInteger(val)) {
                throw new Error('Invalid page number.');
              }
              if (!this.pdfDocument) {
                return;
              }
              this._setCurrentPageNumber(val, true);
            }
          }, {
            key: 'currentPageLabel',
            get: function get() {
              return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
            },
            set: function set(val) {
              var pageNumber = val | 0;
              if (this._pageLabels) {
                var i = this._pageLabels.indexOf(val);
                if (i >= 0) {
                  pageNumber = i + 1;
                }
              }
              this.currentPageNumber = pageNumber;
            }
          }, {
            key: 'currentScale',
            get: function get() {
              return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
            },
            set: function set(val) {
              if (isNaN(val)) {
                // throw new Error('Invalid numeric scale');
              }
              if (!this.pdfDocument) {
                return;
              }
              this._setScale(val, false);
            }
          }, {
            key: 'currentScaleValue',
            get: function get() {
              return this._currentScaleValue;
            },
            set: function set(val) {
              if (!this.pdfDocument) {
                return;
              }
              this._setScale(val, false);
            }
          }, {
            key: 'pagesRotation',
            get: function get() {
              return this._pagesRotation;
            },
            set: function set(rotation) {
              if (!(0, _ui_utils.isValidRotation)(rotation)) {
                // throw new Error('Invalid pages rotation angle.');
              }
              if (!this.pdfDocument) {
                return;
              }
              if (this._pagesRotation === rotation) {
                return;
              }
              this._pagesRotation = rotation;
              var pageNumber = this._currentPageNumber;
              for (var i = 0, ii = this._pages.length; i < ii; i++) {
                var pageView = this._pages[i];
                pageView.update(pageView.scale, rotation);
              }
              if (this._currentScaleValue) {
                this._setScale(this._currentScaleValue, true);
              }
              this.eventBus.dispatch('rotationchanging', {
                source: this,
                pagesRotation: rotation,
                pageNumber: pageNumber
              });
              if (this.defaultRenderingQueue) {
                this.update();
              }
            }
          }, {
            key: '_setDocumentViewerElement',
            get: function get() {
              throw new Error('Not implemented: _setDocumentViewerElement');
            }
          }, {
            key: '_isScrollModeHorizontal',
            get: function get() {
              throw new Error('Not implemented: _isScrollModeHorizontal');
            }
          }, {
            key: 'isInPresentationMode',
            get: function get() {
              return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
            }
          }, {
            key: 'isChangingPresentationMode',
            get: function get() {
              return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
            }
          }, {
            key: 'isHorizontalScrollbarEnabled',
            get: function get() {
              return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
            }
          }, {
            key: 'isVerticalScrollbarEnabled',
            get: function get() {
              return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
            }
          }, {
            key: 'hasEqualPageSizes',
            get: function get() {
              var firstPageView = this._pages[0];
              for (var i = 1, ii = this._pages.length; i < ii; ++i) {
                var pageView = this._pages[i];
                if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
                  return false;
                }
              }
              return true;
            }
          }, {
            key: 'scrollMode',
            get: function get() {
              return this._scrollMode;
            },
            set: function set(mode) {
              if (this._scrollMode === mode) {
                return;
              }
              if (!Number.isInteger(mode) || !Object.values(ScrollMode).includes(mode)) {
                throw new Error('Invalid scroll mode: ' + mode);
              }
              this._scrollMode = mode;
              this.eventBus.dispatch('scrollmodechanged', {
                source: this,
                mode: mode
              });
              this._updateScrollMode(this._currentPageNumber);
            }
          }, {
            key: 'spreadMode',
            get: function get() {
              return this._spreadMode;
            },
            set: function set(mode) {
              if (this._spreadMode === mode) {
                return;
              }
              if (!Number.isInteger(mode) || !Object.values(SpreadMode).includes(mode)) {
                throw new Error('Invalid spread mode: ' + mode);
              }
              this._spreadMode = mode;
              this.eventBus.dispatch('spreadmodechanged', {
                source: this,
                mode: mode
              });
              this._updateSpreadMode(this._currentPageNumber);
            }
          }]);

          return BaseViewer;
        }();

        exports.BaseViewer = BaseViewer;
        exports.ScrollMode = ScrollMode;
        exports.SpreadMode = SpreadMode;

        /***/ }),
      /* 31 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _pdfjsLib = __webpack_require__(7);

        var _ui_utils = __webpack_require__(6);

        var _pdf_link_service = __webpack_require__(23);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var AnnotationLayerBuilder = function () {
          function AnnotationLayerBuilder(_ref) {
            var pageDiv = _ref.pageDiv,
                pdfPage = _ref.pdfPage,
                linkService = _ref.linkService,
                downloadManager = _ref.downloadManager,
                _ref$imageResourcesPa = _ref.imageResourcesPath,
                imageResourcesPath = _ref$imageResourcesPa === undefined ? '' : _ref$imageResourcesPa,
                _ref$renderInteractiv = _ref.renderInteractiveForms,
                renderInteractiveForms = _ref$renderInteractiv === undefined ? false : _ref$renderInteractiv,
                _ref$l10n = _ref.l10n,
                l10n = _ref$l10n === undefined ? _ui_utils.NullL10n : _ref$l10n;

            _classCallCheck(this, AnnotationLayerBuilder);

            this.pageDiv = pageDiv;
            this.pdfPage = pdfPage;
            this.linkService = linkService;
            this.downloadManager = downloadManager;
            this.imageResourcesPath = imageResourcesPath;
            this.renderInteractiveForms = renderInteractiveForms;
            this.l10n = l10n;
            this.div = null;
            this._cancelled = false;
          }

          _createClass(AnnotationLayerBuilder, [{
            key: 'render',
            value: function render(viewport) {
              var _this = this;

              var intent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'display';

              this.pdfPage.getAnnotations({ intent: intent }).then(function (annotations) {
                if (_this._cancelled) {
                  return;
                }
                var parameters = {
                  viewport: viewport.clone({ dontFlip: true }),
                  div: _this.div,
                  annotations: annotations,
                  page: _this.pdfPage,
                  imageResourcesPath: _this.imageResourcesPath,
                  renderInteractiveForms: _this.renderInteractiveForms,
                  linkService: _this.linkService,
                  downloadManager: _this.downloadManager
                };
                if (_this.div) {
                  _pdfjsLib.AnnotationLayer.update(parameters);
                } else {
                  if (annotations.length === 0) {
                    return;
                  }
                  _this.div = document.createElement('div');
                  _this.div.className = 'annotationLayer';
                  _this.pageDiv.appendChild(_this.div);
                  parameters.div = _this.div;
                  _pdfjsLib.AnnotationLayer.render(parameters);
                  _this.l10n.translate(_this.div);
                }
              });
            }
          }, {
            key: 'cancel',
            value: function cancel() {
              this._cancelled = true;
            }
          }, {
            key: 'hide',
            value: function hide() {
              if (!this.div) {
                return;
              }
              this.div.setAttribute('hidden', 'true');
            }
          }]);

          return AnnotationLayerBuilder;
        }();

        var DefaultAnnotationLayerFactory = function () {
          function DefaultAnnotationLayerFactory() {
            _classCallCheck(this, DefaultAnnotationLayerFactory);
          }

          _createClass(DefaultAnnotationLayerFactory, [{
            key: 'createAnnotationLayerBuilder',
            value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
              var imageResourcesPath = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
              var renderInteractiveForms = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
              var l10n = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : _ui_utils.NullL10n;

              return new AnnotationLayerBuilder({
                pageDiv: pageDiv,
                pdfPage: pdfPage,
                imageResourcesPath: imageResourcesPath,
                renderInteractiveForms: renderInteractiveForms,
                linkService: new _pdf_link_service.SimpleLinkService(),
                l10n: l10n
              });
            }
          }]);

          return DefaultAnnotationLayerFactory;
        }();

        exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
        exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;

        /***/ }),
      /* 32 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFPageView = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _ui_utils = __webpack_require__(6);

        var _pdfjsLib = __webpack_require__(7);

        var _dom_events = __webpack_require__(14);

        var _pdf_rendering_queue = __webpack_require__(10);

        var _viewer_compatibility = __webpack_require__(13);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;

        var PDFPageView = function () {
          function PDFPageView(options) {
            _classCallCheck(this, PDFPageView);

            var container = options.container;
            var defaultViewport = options.defaultViewport;
            this.id = options.id;
            this.renderingId = 'page' + this.id;
            this.pdfPage = null;
            this.pageLabel = null;
            this.rotation = 0;
            this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
            this.viewport = defaultViewport;
            this.pdfPageRotate = defaultViewport.rotation;
            this.hasRestrictedScaling = false;
            this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
            this.imageResourcesPath = options.imageResourcesPath || '';
            this.renderInteractiveForms = options.renderInteractiveForms || false;
            this.useOnlyCssZoom = options.useOnlyCssZoom || false;
            this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
            this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)();
            this.renderingQueue = options.renderingQueue;
            this.textLayerFactory = options.textLayerFactory;
            this.annotationLayerFactory = options.annotationLayerFactory;
            this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
            this.enableWebGL = options.enableWebGL || false;
            this.l10n = options.l10n || _ui_utils.NullL10n;
            this.paintTask = null;
            this.paintedViewportMap = new WeakMap();
            this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
            this.resume = null;
            this.error = null;
            this.onBeforeDraw = null;
            this.onAfterDraw = null;
            this.annotationLayer = null;
            this.textLayer = null;
            this.zoomLayer = null;
            var div = document.createElement('div');
            div.className = 'page';
            div.style.width = Math.floor(this.viewport.width) + 'px';
            div.style.height = Math.floor(this.viewport.height) + 'px';
            div.setAttribute('data-page-number', this.id);
            this.div = div;
            container.appendChild(div);
          }

          _createClass(PDFPageView, [{
            key: 'setPdfPage',
            value: function setPdfPage(pdfPage) {
              this.pdfPage = pdfPage;
              this.pdfPageRotate = pdfPage.rotate;
              var totalRotation = (this.rotation + this.pdfPageRotate) % 360;

              this.viewport = pdfPage.getViewport(this.scale * _ui_utils.CSS_UNITS, totalRotation);
              //	console.log(this.scale)
              this.stats = pdfPage.stats;
              this.reset();
            }
          }, {
            key: 'destroy',
            value: function destroy() {
              this.reset();
              if (this.pdfPage) {
                this.pdfPage.cleanup();
              }
            }
          }, {
            key: '_resetZoomLayer',
            value: function _resetZoomLayer() {
              var removeFromDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              if (!this.zoomLayer) {
                return;
              }
              var zoomLayerCanvas = this.zoomLayer.firstChild;
              this.paintedViewportMap.delete(zoomLayerCanvas);
              zoomLayerCanvas.width = 0;
              zoomLayerCanvas.height = 0;
              if (removeFromDOM) {
                this.zoomLayer.remove();
              }
              this.zoomLayer = null;
            }
          }, {
            key: 'reset',
            value: function reset() {
              var keepZoomLayer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
              var keepAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

              this.cancelRendering(keepAnnotations);
              var div = this.div;
              div.style.width = Math.floor(this.viewport.width) + 'px';
              div.style.height = Math.floor(this.viewport.height) + 'px';
              var childNodes = div.childNodes;
              var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
              var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;
              for (var i = childNodes.length - 1; i >= 0; i--) {
                var node = childNodes[i];
                if (currentZoomLayerNode === node || currentAnnotationNode === node) {
                  continue;
                }
                div.removeChild(node);
              }
              div.removeAttribute('data-loaded');
              if (currentAnnotationNode) {
                this.annotationLayer.hide();
              } else if (this.annotationLayer) {
                this.annotationLayer.cancel();
                this.annotationLayer = null;
              }
              if (!currentZoomLayerNode) {
                if (this.canvas) {
                  this.paintedViewportMap.delete(this.canvas);
                  this.canvas.width = 0;
                  this.canvas.height = 0;
                  delete this.canvas;
                }
                this._resetZoomLayer();
              }
              if (this.svg) {
                this.paintedViewportMap.delete(this.svg);
                delete this.svg;
              }
              this.loadingIconDiv = document.createElement('div');
              this.loadingIconDiv.className = 'loadingIcon';
              div.appendChild(this.loadingIconDiv);
            }
          }, {
            key: 'update',
            value: function update(scale, rotation) {
              this.scale = scale || this.scale;
              if (typeof rotation !== 'undefined') {
                this.rotation = rotation;
              }
              var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
              this.viewport = this.viewport.clone({
                scale: this.scale * _ui_utils.CSS_UNITS,
                rotation: totalRotation
              });
              if (this.svg) {
                this.cssTransform(this.svg, true);
                this.eventBus.dispatch('pagerendered', {
                  source: this,
                  pageNumber: this.id,
                  cssTransform: true
                });
                return;
              }
              var isScalingRestricted = false;
              if (this.canvas && this.maxCanvasPixels > 0) {
                var outputScale = this.outputScale;
                if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
                  isScalingRestricted = true;
                }
              }
              if (this.canvas) {
                if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
                  this.cssTransform(this.canvas, true);
                  this.eventBus.dispatch('pagerendered', {
                    source: this,
                    pageNumber: this.id,
                    cssTransform: true
                  });
                  return;
                }
                if (!this.zoomLayer && !this.canvas.hasAttribute('hidden')) {
                  this.zoomLayer = this.canvas.parentNode;
                  this.zoomLayer.style.position = 'absolute';
                }
              }
              if (this.zoomLayer) {
                this.cssTransform(this.zoomLayer.firstChild);
              }
              this.reset(true, true);
            }
          }, {
            key: 'cancelRendering',
            value: function cancelRendering() {
              var keepAnnotations = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              var renderingState = this.renderingState;
              if (this.paintTask) {
                this.paintTask.cancel();
                this.paintTask = null;
              }
              this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
              this.resume = null;
              if (this.textLayer) {
                this.textLayer.cancel();
                this.textLayer = null;
              }
              if (!keepAnnotations && this.annotationLayer) {
                this.annotationLayer.cancel();
                this.annotationLayer = null;
              }
              if (renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
                this.eventBus.dispatch('pagecancelled', {
                  source: this,
                  pageNumber: this.id,
                  renderingState: renderingState
                });
              }
            }
          }, {
            key: 'cssTransform',
            value: function cssTransform(target) {
              var redrawAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

              var width = this.viewport.width;
              var height = this.viewport.height;
              var div = this.div;
              target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + 'px';
              target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + 'px';
              var relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
              var absRotation = Math.abs(relativeRotation);
              var scaleX = 1,
                  scaleY = 1;
              if (absRotation === 90 || absRotation === 270) {
                scaleX = height / width;
                scaleY = width / height;
              }
              var cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')';
              target.style.transform = cssTransform;
              if (this.textLayer) {
                var textLayerViewport = this.textLayer.viewport;
                var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
                var textAbsRotation = Math.abs(textRelativeRotation);
                var scale = width / textLayerViewport.width;
                if (textAbsRotation === 90 || textAbsRotation === 270) {
                  scale = width / textLayerViewport.height;
                }
                var textLayerDiv = this.textLayer.textLayerDiv;
                var transX = void 0,
                    transY = void 0;
                switch (textAbsRotation) {
                  case 0:
                    transX = transY = 0;
                    break;
                  case 90:
                    transX = 0;
                    transY = '-' + textLayerDiv.style.height;
                    break;
                  case 180:
                    transX = '-' + textLayerDiv.style.width;
                    transY = '-' + textLayerDiv.style.height;
                    break;
                  case 270:
                    transX = '-' + textLayerDiv.style.width;
                    transY = 0;
                    break;
                  default:
                    console.error('Bad rotation value.');
                    break;
                }
                textLayerDiv.style.transform = 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')';
                textLayerDiv.style.transformOrigin = '0% 0%';
              }
              if (redrawAnnotations && this.annotationLayer) {
                this.annotationLayer.render(this.viewport, 'display');
              }
            }
          }, {
            key: 'getPagePoint',
            value: function getPagePoint(x, y) {
              return this.viewport.convertToPdfPoint(x, y);
            }
          }, {
            key: 'draw',
            value: function draw() {
              var _this = this;

              if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
                console.error('Must be in new state before drawing');
                this.reset();
              }
              if (!this.pdfPage) {
                this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
                return Promise.reject(new Error('Page is not loaded'));
              }
              this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
              var pdfPage = this.pdfPage;
              var div = this.div;
              var canvasWrapper = document.createElement('div');
              canvasWrapper.style.width = div.style.width;
              canvasWrapper.style.height = div.style.height;
              canvasWrapper.classList.add('canvasWrapper');
              if (this.annotationLayer && this.annotationLayer.div) {
                div.insertBefore(canvasWrapper, this.annotationLayer.div);
              } else {
                div.appendChild(canvasWrapper);
              }
              var textLayer = null;
              if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
                var textLayerDiv = document.createElement('div');
                textLayerDiv.className = 'textLayer';
                textLayerDiv.style.width = canvasWrapper.style.width;
                textLayerDiv.style.height = canvasWrapper.style.height;
                if (this.annotationLayer && this.annotationLayer.div) {
                  div.insertBefore(textLayerDiv, this.annotationLayer.div);
                } else {
                  div.appendChild(textLayerDiv);
                }
                textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE);
              }
              this.textLayer = textLayer;
              var renderContinueCallback = null;
              if (this.renderingQueue) {
                renderContinueCallback = function renderContinueCallback(cont) {
                  if (!_this.renderingQueue.isHighestPriority(_this)) {
                    _this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
                    _this.resume = function () {
                      _this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
                      cont();
                    };
                    return;
                  }
                  cont();
                };
              }
              var finishPaintTask = function finishPaintTask(error) {
                if (paintTask === _this.paintTask) {
                  _this.paintTask = null;
                }
                if (error instanceof _pdfjsLib.RenderingCancelledException) {
                  _this.error = null;
                  return Promise.resolve(undefined);
                }
                _this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
                if (_this.loadingIconDiv) {
                  div.removeChild(_this.loadingIconDiv);
                  delete _this.loadingIconDiv;
                }
                _this._resetZoomLayer(true);
                _this.error = error;
                _this.stats = pdfPage.stats;
                if (_this.onAfterDraw) {
                  _this.onAfterDraw();
                }
                _this.eventBus.dispatch('pagerendered', {
                  source: _this,
                  pageNumber: _this.id,
                  cssTransform: false
                });
                if (error) {
                  return Promise.reject(error);
                }
                return Promise.resolve(undefined);
              };
              var paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
              paintTask.onRenderContinue = renderContinueCallback;
              this.paintTask = paintTask;
              var resultPromise = paintTask.promise.then(function () {
                return finishPaintTask(null).then(function () {
                  if (textLayer) {
                    var readableStream = pdfPage.streamTextContent({ normalizeWhitespace: true });
                    textLayer.setTextContentStream(readableStream);
                    textLayer.render();
                  }
                });
              }, function (reason) {
                return finishPaintTask(reason);
              });
              if (this.annotationLayerFactory) {
                if (!this.annotationLayer) {
                  this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this.imageResourcesPath, this.renderInteractiveForms, this.l10n);
                }
                this.annotationLayer.render(this.viewport, 'display');
              }
              div.setAttribute('data-loaded', true);
              if (this.onBeforeDraw) {
                this.onBeforeDraw();
              }
              return resultPromise;
            }
          }, {
            key: 'paintOnCanvas',
            value: function paintOnCanvas(canvasWrapper) {
              var renderCapability = (0, _pdfjsLib.createPromiseCapability)();
              var result = {
                promise: renderCapability.promise,
                onRenderContinue: function onRenderContinue(cont) {
                  cont();
                },
                cancel: function cancel() {
                  renderTask.cancel();
                }
              };
              var viewport = this.viewport;
              var canvas = document.createElement('canvas');
              canvas.id = this.renderingId;
              canvas.setAttribute('hidden', 'hidden');
              var isCanvasHidden = true;
              var showCanvas = function showCanvas() {
                if (isCanvasHidden) {
                  canvas.removeAttribute('hidden');
                  isCanvasHidden = false;
                }
              };
              canvasWrapper.appendChild(canvas);
              this.canvas = canvas;
              canvas.mozOpaque = true;
              var ctx = canvas.getContext('2d', { alpha: false });
              var outputScale = (0, _ui_utils.getOutputScale)(ctx);
              this.outputScale = outputScale;
              if (this.useOnlyCssZoom) {
                var actualSizeViewport = viewport.clone({ scale: _ui_utils.CSS_UNITS });
                outputScale.sx *= actualSizeViewport.width / viewport.width;
                outputScale.sy *= actualSizeViewport.height / viewport.height;
                outputScale.scaled = true;
              }
              if (this.maxCanvasPixels > 0) {
                var pixelsInViewport = viewport.width * viewport.height;
                var maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
                if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
                  outputScale.sx = maxScale;
                  outputScale.sy = maxScale;
                  outputScale.scaled = true;
                  this.hasRestrictedScaling = true;
                } else {
                  this.hasRestrictedScaling = false;
                }
              }
              var sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
              var sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
              canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
              canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
              canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + 'px';
              canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + 'px';
              this.paintedViewportMap.set(canvas, viewport);
              var transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];
              var renderContext = {
                canvasContext: ctx,
                transform: transform,
                viewport: this.viewport,
                enableWebGL: this.enableWebGL,
                renderInteractiveForms: this.renderInteractiveForms
              };
              var renderTask = this.pdfPage.render(renderContext);
              renderTask.onContinue = function (cont) {
                showCanvas();
                if (result.onRenderContinue) {
                  result.onRenderContinue(cont);
                } else {
                  cont();
                }
              };
              renderTask.promise.then(function () {
                showCanvas();
                renderCapability.resolve(undefined);
              }, function (error) {
                showCanvas();
                renderCapability.reject(error);
              });
              return result;
            }
          }, {
            key: 'paintOnSvg',
            value: function paintOnSvg(wrapper) {
              var _this2 = this;

              var cancelled = false;
              var ensureNotCancelled = function ensureNotCancelled() {
                if (cancelled) {
                  throw new _pdfjsLib.RenderingCancelledException('Rendering cancelled, page ' + _this2.id, 'svg');
                }
              };
              var pdfPage = this.pdfPage;
              var actualSizeViewport = this.viewport.clone({ scale: _ui_utils.CSS_UNITS });
              var promise = pdfPage.getOperatorList().then(function (opList) {
                ensureNotCancelled();
                var svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
                return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) {
                  ensureNotCancelled();
                  _this2.svg = svg;
                  _this2.paintedViewportMap.set(svg, actualSizeViewport);
                  svg.style.width = wrapper.style.width;
                  svg.style.height = wrapper.style.height;
                  _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
                  wrapper.appendChild(svg);
                });
              });
              return {
                promise: promise,
                onRenderContinue: function onRenderContinue(cont) {
                  cont();
                },
                cancel: function cancel() {
                  cancelled = true;
                }
              };
            }
          }, {
            key: 'setPageLabel',
            value: function setPageLabel(label) {
              this.pageLabel = typeof label === 'string' ? label : null;
              if (this.pageLabel !== null) {
                this.div.setAttribute('data-page-label', this.pageLabel);
              } else {
                this.div.removeAttribute('data-page-label');
              }
            }
          }, {
            key: 'width',
            get: function get() {
              return this.viewport.width;
            }
          }, {
            key: 'height',
            get: function get() {
              return this.viewport.height;
            }
          }]);

          return PDFPageView;
        }();

        exports.PDFPageView = PDFPageView;

        /***/ }),
      /* 33 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.DefaultTextLayerFactory = exports.TextLayerBuilder = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _dom_events = __webpack_require__(14);

        var _pdfjsLib = __webpack_require__(7);

        var _ui_utils = __webpack_require__(6);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var EXPAND_DIVS_TIMEOUT = 300;
        var MATCH_SCROLL_OFFSET_TOP = -50;
        var MATCH_SCROLL_OFFSET_LEFT = -400;

        var TextLayerBuilder = function () {
          function TextLayerBuilder(_ref) {
            var textLayerDiv = _ref.textLayerDiv,
                eventBus = _ref.eventBus,
                pageIndex = _ref.pageIndex,
                viewport = _ref.viewport,
                _ref$findController = _ref.findController,
                findController = _ref$findController === undefined ? null : _ref$findController,
                _ref$enhanceTextSelec = _ref.enhanceTextSelection,
                enhanceTextSelection = _ref$enhanceTextSelec === undefined ? false : _ref$enhanceTextSelec;

            _classCallCheck(this, TextLayerBuilder);

            this.textLayerDiv = textLayerDiv;
            this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
            this.textContent = null;
            this.textContentItemsStr = [];
            this.textContentStream = null;
            this.renderingDone = false;
            this.pageIdx = pageIndex;
            this.pageNumber = this.pageIdx + 1;
            this.matches = [];
            this.viewport = viewport;
            this.textDivs = [];
            this.findController = findController;
            this.textLayerRenderTask = null;
            this.enhanceTextSelection = enhanceTextSelection;
            this._boundEvents = Object.create(null);
            this._bindEvents();
            this._bindMouse();
          }

          _createClass(TextLayerBuilder, [{
            key: '_finishRendering',
            value: function _finishRendering() {
              this.renderingDone = true;
              if (!this.enhanceTextSelection) {
                var endOfContent = document.createElement('div');
                endOfContent.className = 'endOfContent';
                this.textLayerDiv.appendChild(endOfContent);
              }
              this.eventBus.dispatch('textlayerrendered', {
                source: this,
                pageNumber: this.pageNumber,
                numTextDivs: this.textDivs.length
              });
            }
          }, {
            key: 'render',
            value: function render() {
              var _this = this;

              var timeout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;

              if (!(this.textContent || this.textContentStream) || this.renderingDone) {
                return;
              }
              this.cancel();
              this.textDivs = [];
              var textLayerFrag = document.createDocumentFragment();
              this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
                textContent: this.textContent,
                textContentStream: this.textContentStream,
                container: textLayerFrag,
                viewport: this.viewport,
                textDivs: this.textDivs,
                textContentItemsStr: this.textContentItemsStr,
                timeout: timeout,
                enhanceTextSelection: this.enhanceTextSelection
              });
              this.textLayerRenderTask.promise.then(function () {
                _this.textLayerDiv.appendChild(textLayerFrag);
                _this._finishRendering();
                _this.updateMatches();
              }, function (reason) {});
            }
          }, {
            key: 'cancel',
            value: function cancel() {
              if (this.textLayerRenderTask) {
                this.textLayerRenderTask.cancel();
                this.textLayerRenderTask = null;
              }
            }
          }, {
            key: 'setTextContentStream',
            value: function setTextContentStream(readableStream) {
              this.cancel();
              this.textContentStream = readableStream;
            }
          }, {
            key: 'setTextContent',
            value: function setTextContent(textContent) {
              this.cancel();
              this.textContent = textContent;
            }
          }, {
            key: 'convertMatches',
            value: function convertMatches(matches, matchesLength) {
              var i = 0;
              var iIndex = 0;
              var textContentItemsStr = this.textContentItemsStr;
              var end = textContentItemsStr.length - 1;
              var queryLen = this.findController === null ? 0 : this.findController.state.query.length;
              var ret = [];
              if (!matches) {
                return ret;
              }
              for (var m = 0, len = matches.length; m < len; m++) {
                var matchIdx = matches[m];
                while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
                  iIndex += textContentItemsStr[i].length;
                  i++;
                }
                if (i === textContentItemsStr.length) {
                  console.error('Could not find a matching mapping');
                }
                var match = {
                  begin: {
                    divIdx: i,
                    offset: matchIdx - iIndex
                  }
                };
                if (matchesLength) {
                  matchIdx += matchesLength[m];
                } else {
                  matchIdx += queryLen;
                }
                while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
                  iIndex += textContentItemsStr[i].length;
                  i++;
                }
                match.end = {
                  divIdx: i,
                  offset: matchIdx - iIndex
                };
                ret.push(match);
              }
              return ret;
            }
          }, {
            key: 'renderMatches',
            value: function renderMatches(matches) {
              if (matches.length === 0) {
                return;
              }
              var textContentItemsStr = this.textContentItemsStr;
              var textDivs = this.textDivs;
              var prevEnd = null;
              var pageIdx = this.pageIdx;
              var isSelectedPage = this.findController === null ? false : pageIdx === this.findController.selected.pageIdx;
              var selectedMatchIdx = this.findController === null ? -1 : this.findController.selected.matchIdx;
              var highlightAll = this.findController === null ? false : this.findController.state.highlightAll;
              var infinity = {
                divIdx: -1,
                offset: undefined
              };
              function beginText(begin, className) {
                var divIdx = begin.divIdx;
                textDivs[divIdx].textContent = '';
                appendTextToDiv(divIdx, 0, begin.offset, className);
              }
              function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
                var div = textDivs[divIdx];
                var content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
                var node = document.createTextNode(content);
                if (className) {
                  var span = document.createElement('span');
                  span.className = className;
                  span.appendChild(node);
                  div.appendChild(span);
                  return;
                }
                div.appendChild(node);
              }
              var i0 = selectedMatchIdx,
                  i1 = i0 + 1;
              if (highlightAll) {
                i0 = 0;
                i1 = matches.length;
              } else if (!isSelectedPage) {
                return;
              }
              for (var i = i0; i < i1; i++) {
                var match = matches[i];
                var begin = match.begin;
                var end = match.end;
                var isSelected = isSelectedPage && i === selectedMatchIdx;
                var highlightSuffix = isSelected ? ' selected' : '';
                if (this.findController) {
                  if (this.findController.selected.matchIdx === i && this.findController.selected.pageIdx === pageIdx) {
                    var spot = {
                      top: MATCH_SCROLL_OFFSET_TOP,
                      left: MATCH_SCROLL_OFFSET_LEFT
                    };
                    (0, _ui_utils.scrollIntoView)(textDivs[begin.divIdx], spot, true);
                  }
                }
                if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
                  if (prevEnd !== null) {
                    appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
                  }
                  beginText(begin);
                } else {
                  appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
                }
                if (begin.divIdx === end.divIdx) {
                  appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix);
                } else {
                  appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix);
                  for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
                    textDivs[n0].className = 'highlight middle' + highlightSuffix;
                  }
                  beginText(end, 'highlight end' + highlightSuffix);
                }
                prevEnd = end;
              }
              if (prevEnd) {
                appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
              }
            }
          }, {
            key: 'updateMatches',
            value: function updateMatches() {
              if (!this.renderingDone) {
                return;
              }
              var matches = this.matches;
              var textDivs = this.textDivs;
              var textContentItemsStr = this.textContentItemsStr;
              var clearedUntilDivIdx = -1;
              for (var i = 0, len = matches.length; i < len; i++) {
                var match = matches[i];
                var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
                for (var n = begin, end = match.end.divIdx; n <= end; n++) {
                  var div = textDivs[n];
                  div.textContent = textContentItemsStr[n];
                  div.className = '';
                }
                clearedUntilDivIdx = match.end.divIdx + 1;
              }
              if (!this.findController || !this.findController.highlightMatches) {
                return;
              }
              var pageMatches = void 0,
                  pageMatchesLength = void 0;
              if (this.findController !== null) {
                pageMatches = this.findController.pageMatches[this.pageIdx] || null;
                pageMatchesLength = this.findController.pageMatchesLength ? this.findController.pageMatchesLength[this.pageIdx] || null : null;
              }
              this.matches = this.convertMatches(pageMatches, pageMatchesLength);
              this.renderMatches(this.matches);
            }
          }, {
            key: '_bindEvents',
            value: function _bindEvents() {
              var _this2 = this;

              var eventBus = this.eventBus,
                  _boundEvents = this._boundEvents;

              _boundEvents.pageCancelled = function (evt) {
                if (evt.pageNumber !== _this2.pageNumber) {
                  return;
                }
                if (_this2.textLayerRenderTask) {
                  console.error('TextLayerBuilder._bindEvents: `this.cancel()` should ' + 'have been called when the page was reset, or rendering cancelled.');
                  return;
                }
                for (var name in _boundEvents) {
                  eventBus.off(name.toLowerCase(), _boundEvents[name]);
                  delete _boundEvents[name];
                }
              };
              _boundEvents.updateTextLayerMatches = function (evt) {
                if (evt.pageIndex !== _this2.pageIdx && evt.pageIndex !== -1) {
                  return;
                }
                _this2.updateMatches();
              };
              eventBus.on('pagecancelled', _boundEvents.pageCancelled);
              eventBus.on('updatetextlayermatches', _boundEvents.updateTextLayerMatches);
            }
          }, {
            key: '_bindMouse',
            value: function _bindMouse() {
              var _this3 = this;

              var div = this.textLayerDiv;
              var expandDivsTimer = null;
              div.addEventListener('mousedown', function (evt) {
                if (_this3.enhanceTextSelection && _this3.textLayerRenderTask) {
                  _this3.textLayerRenderTask.expandTextDivs(true);
                  if (expandDivsTimer) {
                    clearTimeout(expandDivsTimer);
                    expandDivsTimer = null;
                  }
                  return;
                }
                var end = div.querySelector('.endOfContent');
                if (!end) {
                  return;
                }
                var adjustTop = evt.target !== div;
                adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue('-moz-user-select') !== 'none';
                if (adjustTop) {
                  var divBounds = div.getBoundingClientRect();
                  var r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
                  end.style.top = (r * 100).toFixed(2) + '%';
                }
                end.classList.add('active');
              });
              div.addEventListener('mouseup', function () {
                if (_this3.enhanceTextSelection && _this3.textLayerRenderTask) {
                  expandDivsTimer = setTimeout(function () {
                    if (_this3.textLayerRenderTask) {
                      _this3.textLayerRenderTask.expandTextDivs(false);
                    }
                    expandDivsTimer = null;
                  }, EXPAND_DIVS_TIMEOUT);
                  return;
                }
                var end = div.querySelector('.endOfContent');
                if (!end) {
                  return;
                }
                end.style.top = '';
                end.classList.remove('active');
              });
            }
          }]);

          return TextLayerBuilder;
        }();

        var DefaultTextLayerFactory = function () {
          function DefaultTextLayerFactory() {
            _classCallCheck(this, DefaultTextLayerFactory);
          }

          _createClass(DefaultTextLayerFactory, [{
            key: 'createTextLayerBuilder',
            value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
              var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;

              return new TextLayerBuilder({
                textLayerDiv: textLayerDiv,
                pageIndex: pageIndex,
                viewport: viewport,
                enhanceTextSelection: enhanceTextSelection
              });
            }
          }]);

          return DefaultTextLayerFactory;
        }();

        exports.TextLayerBuilder = TextLayerBuilder;
        exports.DefaultTextLayerFactory = DefaultTextLayerFactory;

        /***/ }),
      /* 34 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.SecondaryToolbar = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _base_viewer = __webpack_require__(30);

        var _pdf_cursor_tools = __webpack_require__(8);

        var _pdf_single_page_viewer = __webpack_require__(35);

        var _ui_utils = __webpack_require__(6);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var SecondaryToolbar = function () {
          function SecondaryToolbar(options, mainContainer, eventBus) {
            var _this = this;

            _classCallCheck(this, SecondaryToolbar);

            this.toolbar = options.toolbar;
            this.toggleButton = options.toggleButton;
            this.toolbarButtonContainer = options.toolbarButtonContainer;
            this.buttons = [{
              element: options.presentationModeButton,
              eventName: 'presentationmode',
              close: true
            }, {
              element: options.openFileButton,
              eventName: 'openfile',
              close: true
            }, {
              element: options.printButton,
              eventName: 'print',
              close: true
            }, {
              element: options.downloadButton,
              eventName: 'download',
              close: true
            }, {
              element: options.viewBookmarkButton,
              eventName: null,
              close: true
            }, {
              element: options.firstPageButton,
              eventName: 'firstpage',
              close: true
            }, {
              element: options.lastPageButton,
              eventName: 'lastpage',
              close: true
            }, {
              element: options.pageRotateCwButton,
              eventName: 'rotatecw',
              close: false
            }, {
              element: options.pageRotateCcwButton,
              eventName: 'rotateccw',
              close: false
            }, {
              element: options.cursorSelectToolButton,
              eventName: 'switchcursortool',
              eventDetails: { tool: _pdf_cursor_tools.CursorTool.SELECT },
              close: true
            }, {
              element: options.cursorHandToolButton,
              eventName: 'switchcursortool',
              eventDetails: { tool: _pdf_cursor_tools.CursorTool.HAND },
              close: true
            }, {
              element: options.scrollVerticalButton,
              eventName: 'switchscrollmode',
              eventDetails: { mode: _base_viewer.ScrollMode.VERTICAL },
              close: true
            }, {
              element: options.scrollHorizontalButton,
              eventName: 'switchscrollmode',
              eventDetails: { mode: _base_viewer.ScrollMode.HORIZONTAL },
              close: true
            }, {
              element: options.scrollWrappedButton,
              eventName: 'switchscrollmode',
              eventDetails: { mode: _base_viewer.ScrollMode.WRAPPED },
              close: true
            }, {
              element: options.spreadNoneButton,
              eventName: 'switchspreadmode',
              eventDetails: { mode: _base_viewer.SpreadMode.NONE },
              close: true
            }, {
              element: options.spreadOddButton,
              eventName: 'switchspreadmode',
              eventDetails: { mode: _base_viewer.SpreadMode.ODD },
              close: true
            }, {
              element: options.spreadEvenButton,
              eventName: 'switchspreadmode',
              eventDetails: { mode: _base_viewer.SpreadMode.EVEN },
              close: true
            }, {
              element: options.documentPropertiesButton,
              eventName: 'documentproperties',
              close: true
            }];
            this.items = {
              firstPage: options.firstPageButton,
              lastPage: options.lastPageButton,
              pageRotateCw: options.pageRotateCwButton,
              pageRotateCcw: options.pageRotateCcwButton
            };
            this.mainContainer = mainContainer;
            this.eventBus = eventBus;
            this.opened = false;
            this.containerHeight = null;
            this.previousContainerHeight = null;
            this.reset();
            this._bindClickListeners();
            this._bindCursorToolsListener(options);
            this._bindScrollModeListener(options);
            this._bindSpreadModeListener(options);
            this.eventBus.on('resize', this._setMaxHeight.bind(this));
            this.eventBus.on('baseviewerinit', function (evt) {
              if (evt.source instanceof _pdf_single_page_viewer.PDFSinglePageViewer) {
                _this.toolbarButtonContainer.classList.add('hiddenScrollModeButtons', 'hiddenSpreadModeButtons');
              } else {
                _this.toolbarButtonContainer.classList.remove('hiddenScrollModeButtons', 'hiddenSpreadModeButtons');
              }
            });
          }

          _createClass(SecondaryToolbar, [{
            key: 'setPageNumber',
            value: function setPageNumber(pageNumber) {
              this.pageNumber = pageNumber;
              this._updateUIState();
            }
          }, {
            key: 'setPagesCount',
            value: function setPagesCount(pagesCount) {
              this.pagesCount = pagesCount;
              this._updateUIState();
            }
          }, {
            key: 'reset',
            value: function reset() {
              this.pageNumber = 0;
              this.pagesCount = 0;
              this._updateUIState();
              this.eventBus.dispatch('secondarytoolbarreset', { source: this });
            }
          }, {
            key: '_updateUIState',
            value: function _updateUIState() {
              this.items.firstPage.disabled = this.pageNumber <= 1;
              this.items.lastPage.disabled = this.pageNumber >= this.pagesCount;
              this.items.pageRotateCw.disabled = this.pagesCount === 0;
              this.items.pageRotateCcw.disabled = this.pagesCount === 0;
            }
          }, {
            key: '_bindClickListeners',
            value: function _bindClickListeners() {
              var _this2 = this;

              this.toggleButton.addEventListener('click', this.toggle.bind(this));

              var _loop = function _loop(button) {
                var _buttons$button = _this2.buttons[button],
                    element = _buttons$button.element,
                    eventName = _buttons$button.eventName,
                    close = _buttons$button.close,
                    eventDetails = _buttons$button.eventDetails;

                element.addEventListener('click', function (evt) {
                  if (eventName !== null) {
                    var details = { source: _this2 };
                    for (var property in eventDetails) {
                      details[property] = eventDetails[property];
                    }
                    _this2.eventBus.dispatch(eventName, details);
                  }
                  if (close) {
                    _this2.close();
                  }
                });
              };

              for (var button in this.buttons) {
                _loop(button);
              }
            }
          }, {
            key: '_bindCursorToolsListener',
            value: function _bindCursorToolsListener(buttons) {
              this.eventBus.on('cursortoolchanged', function (evt) {
                buttons.cursorSelectToolButton.classList.remove('toggled');
                buttons.cursorHandToolButton.classList.remove('toggled');
                switch (evt.tool) {
                  case _pdf_cursor_tools.CursorTool.SELECT:
                    buttons.cursorSelectToolButton.classList.add('toggled');
                    break;
                  case _pdf_cursor_tools.CursorTool.HAND:
                    buttons.cursorHandToolButton.classList.add('toggled');
                    break;
                }
              });
            }
          }, {
            key: '_bindScrollModeListener',
            value: function _bindScrollModeListener(buttons) {
              var _this3 = this;

              function scrollModeChanged(evt) {
                buttons.scrollVerticalButton.classList.remove('toggled');
                buttons.scrollHorizontalButton.classList.remove('toggled');
                buttons.scrollWrappedButton.classList.remove('toggled');
                switch (evt.mode) {
                  case _base_viewer.ScrollMode.VERTICAL:
                    buttons.scrollVerticalButton.classList.add('toggled');
                    break;
                  case _base_viewer.ScrollMode.HORIZONTAL:
                    buttons.scrollHorizontalButton.classList.add('toggled');
                    break;
                  case _base_viewer.ScrollMode.WRAPPED:
                    buttons.scrollWrappedButton.classList.add('toggled');
                    break;
                }
                var isScrollModeHorizontal = evt.mode === _base_viewer.ScrollMode.HORIZONTAL;
                buttons.spreadNoneButton.disabled = isScrollModeHorizontal;
                buttons.spreadOddButton.disabled = isScrollModeHorizontal;
                buttons.spreadEvenButton.disabled = isScrollModeHorizontal;
              }
              this.eventBus.on('scrollmodechanged', scrollModeChanged);
              this.eventBus.on('secondarytoolbarreset', function (evt) {
                if (evt.source === _this3) {
                  scrollModeChanged({ mode: _base_viewer.ScrollMode.VERTICAL });
                }
              });
            }
          }, {
            key: '_bindSpreadModeListener',
            value: function _bindSpreadModeListener(buttons) {
              var _this4 = this;

              function spreadModeChanged(evt) {
                buttons.spreadNoneButton.classList.remove('toggled');
                buttons.spreadOddButton.classList.remove('toggled');
                buttons.spreadEvenButton.classList.remove('toggled');
                switch (evt.mode) {
                  case _base_viewer.SpreadMode.NONE:
                    buttons.spreadNoneButton.classList.add('toggled');
                    break;
                  case _base_viewer.SpreadMode.ODD:
                    buttons.spreadOddButton.classList.add('toggled');
                    break;
                  case _base_viewer.SpreadMode.EVEN:
                    buttons.spreadEvenButton.classList.add('toggled');
                    break;
                }
              }
              this.eventBus.on('spreadmodechanged', spreadModeChanged);
              this.eventBus.on('secondarytoolbarreset', function (evt) {
                if (evt.source === _this4) {
                  spreadModeChanged({ mode: _base_viewer.SpreadMode.NONE });
                }
              });
            }
          }, {
            key: 'open',
            value: function open() {
              if (this.opened) {
                return;
              }
              this.opened = true;
              this._setMaxHeight();
              this.toggleButton.classList.add('toggled');
              this.toolbar.classList.remove('hidden');
            }
          }, {
            key: 'close',
            value: function close() {
              if (!this.opened) {
                return;
              }
              this.opened = false;
              this.toolbar.classList.add('hidden');
              this.toggleButton.classList.remove('toggled');
            }
          }, {
            key: 'toggle',
            value: function toggle() {
              if (this.opened) {
                this.close();
              } else {
                this.open();
              }
            }
          }, {
            key: '_setMaxHeight',
            value: function _setMaxHeight() {
              if (!this.opened) {
                return;
              }
              this.containerHeight = this.mainContainer.clientHeight;
              if (this.containerHeight === this.previousContainerHeight) {
                return;
              }
              this.toolbarButtonContainer.setAttribute('style', 'max-height: ' + (this.containerHeight - _ui_utils.SCROLLBAR_PADDING) + 'px;');
              this.previousContainerHeight = this.containerHeight;
            }
          }, {
            key: 'isOpen',
            get: function get() {
              return this.opened;
            }
          }]);

          return SecondaryToolbar;
        }();

        exports.SecondaryToolbar = SecondaryToolbar;

        /***/ }),
      /* 35 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFSinglePageViewer = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

        var _base_viewer = __webpack_require__(30);

        var _ui_utils = __webpack_require__(6);

        var _pdfjsLib = __webpack_require__(7);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

        function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

        var PDFSinglePageViewer = function (_BaseViewer) {
          _inherits(PDFSinglePageViewer, _BaseViewer);

          function PDFSinglePageViewer(options) {
            _classCallCheck(this, PDFSinglePageViewer);

            var _this = _possibleConstructorReturn(this, (PDFSinglePageViewer.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer)).call(this, options));

            _this.eventBus.on('pagesinit', function (evt) {
              _this._ensurePageViewVisible();
            });
            return _this;
          }

          _createClass(PDFSinglePageViewer, [{
            key: '_resetView',
            value: function _resetView() {
              _get(PDFSinglePageViewer.prototype.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer.prototype), '_resetView', this).call(this);
              this._previousPageNumber = 1;
              this._shadowViewer = document.createDocumentFragment();
            }
          }, {
            key: '_ensurePageViewVisible',
            value: function _ensurePageViewVisible() {
              var pageView = this._pages[this._currentPageNumber - 1];
              var previousPageView = this._pages[this._previousPageNumber - 1];
              var viewerNodes = this.viewer.childNodes;
              switch (viewerNodes.length) {
                case 0:
                  this.viewer.appendChild(pageView.div);
                  break;
                case 1:
                  if (viewerNodes[0] !== previousPageView.div) {
                    throw new Error('_ensurePageViewVisible: Unexpected previously visible page.');
                  }
                  if (pageView === previousPageView) {
                    break;
                  }
                  this._shadowViewer.appendChild(previousPageView.div);
                  this.viewer.appendChild(pageView.div);
                  this.container.scrollTop = 0;
                  break;
                default:
                  throw new Error('_ensurePageViewVisible: Only one page should be visible at a time.');
              }
              this._previousPageNumber = this._currentPageNumber;
            }
          }, {
            key: '_scrollUpdate',
            value: function _scrollUpdate() {
              if (this._updateScrollDown) {
                this._updateScrollDown();
              }
              _get(PDFSinglePageViewer.prototype.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer.prototype), '_scrollUpdate', this).call(this);
            }
          }, {
            key: '_scrollIntoView',
            value: function _scrollIntoView(_ref) {
              var _this2 = this;

              var pageDiv = _ref.pageDiv,
                  _ref$pageSpot = _ref.pageSpot,
                  pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot,
                  _ref$pageNumber = _ref.pageNumber,
                  pageNumber = _ref$pageNumber === undefined ? null : _ref$pageNumber;

              if (pageNumber) {
                this._setCurrentPageNumber(pageNumber);
              }
              var scrolledDown = this._currentPageNumber >= this._previousPageNumber;
              var previousLocation = this._location;
              this._ensurePageViewVisible();
              (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
              this._updateScrollDown = function () {
                _this2.scroll.down = scrolledDown;
                delete _this2._updateScrollDown;
              };
              setTimeout(function () {
                if (_this2._location === previousLocation) {
                  if (_this2._updateScrollDown) {
                    _this2._updateScrollDown();
                  }
                  _this2.update();
                }
              }, 0);
            }
          }, {
            key: '_getVisiblePages',
            value: function _getVisiblePages() {
              if (!this.pagesCount) {
                return { views: [] };
              }
              var pageView = this._pages[this._currentPageNumber - 1];
              var element = pageView.div;
              var view = {
                id: pageView.id,
                x: element.offsetLeft + element.clientLeft,
                y: element.offsetTop + element.clientTop,
                view: pageView
              };
              return {
                first: view,
                last: view,
                views: [view]
              };
            }
          }, {
            key: 'update',
            value: function update() {
              var visible = this._getVisiblePages();
              var visiblePages = visible.views,
                  numVisiblePages = visiblePages.length;
              //	console.log("::"+visible+"::"+visiblePages+"::"+numVisiblePages)
              if (numVisiblePages === 0) {
                return;
              }
              this._resizeBuffer(numVisiblePages);
              this.renderingQueue.renderHighestPriority(visible);
              this._updateLocation(visible.first);
              this.eventBus.dispatch('updateviewarea', {
                source: this,
                location: this._location
              });
            }
          }, {
            key: '_updateScrollMode',
            value: function _updateScrollMode() {}
          }, {
            key: '_updateSpreadMode',
            value: function _updateSpreadMode() {}
          }, {
            key: '_setDocumentViewerElement',
            get: function get() {
              return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this._shadowViewer);
            }
          }, {
            key: '_isScrollModeHorizontal',
            get: function get() {
              return (0, _pdfjsLib.shadow)(this, '_isScrollModeHorizontal', false);
            }
          }]);

          return PDFSinglePageViewer;
        }(_base_viewer.BaseViewer);

        exports.PDFSinglePageViewer = PDFSinglePageViewer;

        /***/ }),
      /* 36 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.Toolbar = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _ui_utils = __webpack_require__(6);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
        var SCALE_SELECT_CONTAINER_PADDING = 8;
        var SCALE_SELECT_PADDING = 22;

        var Toolbar = function () {
          function Toolbar(options, eventBus) {
            var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

            _classCallCheck(this, Toolbar);

            this.toolbar = options.container;
            this.eventBus = eventBus;
            this.l10n = l10n;
            this.items = options;
            this._wasLocalized = false;
            this.reset();
            this._bindListeners();
          }

          _createClass(Toolbar, [{
            key: 'setPageNumber',
            value: function setPageNumber(pageNumber, pageLabel) {
              this.pageNumber = pageNumber;
              this.pageLabel = pageLabel;
              this._updateUIState(false);
            }
          }, {
            key: 'setPagesCount',
            value: function setPagesCount(pagesCount, hasPageLabels) {
              this.pagesCount = pagesCount;
              this.hasPageLabels = hasPageLabels;
              this._updateUIState(true);
            }
          }, {
            key: 'setPageScale',
            value: function setPageScale(pageScaleValue, pageScale) {
              this.pageScaleValue = (pageScaleValue || pageScale).toString();
              this.pageScale = pageScale;
              this._updateUIState(false);
            }
          }, {
            key: 'reset',
            value: function reset() {
              this.pageNumber = 0;
              this.pageLabel = null;
              this.hasPageLabels = false;
              this.pagesCount = 0;
              this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
              this.pageScale = _ui_utils.DEFAULT_SCALE;
              this._updateUIState(true);
            }
          }, {
            key: '_bindListeners',
            value: function _bindListeners() {
              var _this = this;

              var eventBus = this.eventBus,
                  items = this.items;

              var self = this;
              items.previous.addEventListener('click', function () {
                eventBus.dispatch('previouspage', { source: self });
              });
              items.next.addEventListener('click', function () {
                eventBus.dispatch('nextpage', { source: self });
              });
              items.zoomIn.addEventListener('click', function () {
                eventBus.dispatch('zoomin', { source: self });

              });
              items.zoomOut.addEventListener('click', function () {
                eventBus.dispatch('zoomout', { source: self });
              });
              items.pageNumber.addEventListener('click', function () {
                this.select();
              });
              //页码监听
              items.pageNumber.addEventListener('change', function () {
                eventBus.dispatch('pagenumberchanged', {
                  source: self,
                  value: this.value
                });
              });



              items.scaleSelect.addEventListener('change', function () {
                if (this.value === 'custom') {
                  return;
                }
                eventBus.dispatch('scalechanged', {
                  source: self,
                  value: this.value
                });

              });
              /* 全屏 */
              items.presentationModeButton.addEventListener('click', function () {
                eventBus.dispatch('presentationmode', { source: self });
              });
              items.openFile.addEventListener('click', function () {
                eventBus.dispatch('openfile', { source: self });
              });
              items.print.addEventListener('click', function () {
                eventBus.dispatch('print', { source: self });
              });
              items.download.addEventListener('click', function () {
                eventBus.dispatch('download', { source: self });
              });
              items.scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler;
              eventBus.on('localized', function () {
                _this._localized();
              });
            }
          }, {
            key: '_localized',
            value: function _localized() {
              this._wasLocalized = true;
              this._adjustScaleWidth();
              this._updateUIState(true);
            }
          }, {
            key: '_updateUIState',
            value: function _updateUIState() {
              var resetNumPages = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              if (!this._wasLocalized) {
                return;
              }
              var pageNumber = this.pageNumber,
                  pagesCount = this.pagesCount,
                  pageScaleValue = this.pageScaleValue,
                  pageScale = this.pageScale,
                  items = this.items;

              if (resetNumPages) {
                if (this.hasPageLabels) {
                  items.pageNumber.type = 'text';
                } else {
                  items.pageNumber.type = 'number';
                  this.l10n.get('of_pages', { pagesCount: pagesCount }, 'of {{pagesCount}}').then(function (msg) {
                    items.numPages.textContent = msg;
                  });
                }
                items.pageNumber.max = pagesCount;
              }
              if (this.hasPageLabels) {
                items.pageNumber.value = this.pageLabel;
                this.l10n.get('page_of_pages', {
                  pageNumber: pageNumber,
                  pagesCount: pagesCount
                }, '({{pageNumber}} of {{pagesCount}})').then(function (msg) {
                  items.numPages.textContent = msg;
                });
              } else {
                items.pageNumber.value = pageNumber;
              }
              items.previous.disabled = pageNumber <= 1;
              items.next.disabled = pageNumber >= pagesCount;
              items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE;
              items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE;
              var customScale = Math.round(pageScale * 10000) / 100;
              this.l10n.get('page_scale_percent', { scale: customScale }, '{{scale}}%').then(function (msg) {
                //	console.log(msg)
                var options = items.scaleSelect.options;
                var predefinedValueFound = false;
                for (var i = 0, ii = options.length; i < ii; i++) {
                  var option = options[i];
                  if (option.value !== pageScaleValue) {
                    option.selected = false;
                    continue;
                  }
                  option.selected = true;
                  predefinedValueFound = true;
                }
                if (!predefinedValueFound) {
                  items.customScaleOption.textContent = msg;
                  items.customScaleOption.selected = true;
                }
              });

            }
          }, {
            key: 'updateLoadingIndicatorState',
            value: function updateLoadingIndicatorState() {
              var loading = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              var pageNumberInput = this.items.pageNumber;
              pageNumberInput.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading);
            }
          }, {
            key: '_adjustScaleWidth',
            value: function _adjustScaleWidth() {
              var container = this.items.scaleSelectContainer;
              var select = this.items.scaleSelect;
              _ui_utils.animationStarted.then(function () {
                if (container.clientWidth === 0) {
                  container.setAttribute('style', 'display: inherit;');
                }
                if (container.clientWidth > 0) {
                  select.setAttribute('style', 'min-width: inherit;');
                  var width = select.clientWidth + SCALE_SELECT_CONTAINER_PADDING;
                  select.setAttribute('style', 'min-width: ' + (width + SCALE_SELECT_PADDING) + 'px;');
                  container.setAttribute('style', 'min-width: ' + width + 'px; ' + 'max-width: ' + width + 'px;');
                }
              });
            }
          }]);

          return Toolbar;
        }();

        exports.Toolbar = Toolbar;

        /***/ }),
      /* 37 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.ViewHistory = undefined;

        var _regenerator = __webpack_require__(2);

        var _regenerator2 = _interopRequireDefault(_regenerator);

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

        function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;

        var ViewHistory = function () {
          function ViewHistory(fingerprint) {
            var _this = this;

            var cacheSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_VIEW_HISTORY_CACHE_SIZE;

            _classCallCheck(this, ViewHistory);

            this.fingerprint = fingerprint;
            this.cacheSize = cacheSize;
            this._initializedPromise = this._readFromStorage().then(function (databaseStr) {
              var database = JSON.parse(databaseStr || '{}');
              if (!('files' in database)) {
                database.files = [];
              } else {
                while (database.files.length >= _this.cacheSize) {
                  database.files.shift();
                }
              }
              var index = -1;
              for (var i = 0, length = database.files.length; i < length; i++) {
                var branch = database.files[i];
                if (branch.fingerprint === _this.fingerprint) {
                  index = i;
                  break;
                }
              }
              if (index === -1) {
                index = database.files.push({ fingerprint: _this.fingerprint }) - 1;
              }
              _this.file = database.files[index];
              _this.database = database;
            });
          }

          _createClass(ViewHistory, [{
            key: '_writeToStorage',
            value: function () {
              var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() {
                var databaseStr;
                return _regenerator2.default.wrap(function _callee$(_context) {
                  while (1) {
                    switch (_context.prev = _context.next) {
                      case 0:
                        databaseStr = JSON.stringify(this.database);

                        localStorage.setItem('pdfjs.history', databaseStr);

                      case 2:
                      case 'end':
                        return _context.stop();
                    }
                  }
                }, _callee, this);
              }));

              function _writeToStorage() {
                return _ref.apply(this, arguments);
              }

              return _writeToStorage;
            }()
          }, {
            key: '_readFromStorage',
            value: function () {
              var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() {
                return _regenerator2.default.wrap(function _callee2$(_context2) {
                  while (1) {
                    switch (_context2.prev = _context2.next) {
                      case 0:
                        return _context2.abrupt('return', localStorage.getItem('pdfjs.history'));

                      case 1:
                      case 'end':
                        return _context2.stop();
                    }
                  }
                }, _callee2, this);
              }));

              function _readFromStorage() {
                return _ref2.apply(this, arguments);
              }

              return _readFromStorage;
            }()
          }, {
            key: 'set',
            value: function () {
              var _ref3 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee3(name, val) {
                return _regenerator2.default.wrap(function _callee3$(_context3) {
                  while (1) {
                    switch (_context3.prev = _context3.next) {
                      case 0:
                        _context3.next = 2;
                        return this._initializedPromise;

                      case 2:
                        this.file[name] = val;
                        return _context3.abrupt('return', this._writeToStorage());

                      case 4:
                      case 'end':
                        return _context3.stop();
                    }
                  }
                }, _callee3, this);
              }));

              function set(_x2, _x3) {
                return _ref3.apply(this, arguments);
              }

              return set;
            }()
          }, {
            key: 'setMultiple',
            value: function () {
              var _ref4 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee4(properties) {
                var name;
                return _regenerator2.default.wrap(function _callee4$(_context4) {
                  while (1) {
                    switch (_context4.prev = _context4.next) {
                      case 0:
                        _context4.next = 2;
                        return this._initializedPromise;

                      case 2:
                        for (name in properties) {
                          this.file[name] = properties[name];
                        }
                        return _context4.abrupt('return', this._writeToStorage());

                      case 4:
                      case 'end':
                        return _context4.stop();
                    }
                  }
                }, _callee4, this);
              }));

              function setMultiple(_x4) {
                return _ref4.apply(this, arguments);
              }

              return setMultiple;
            }()
          }, {
            key: 'get',
            value: function () {
              var _ref5 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee5(name, defaultValue) {
                var val;
                return _regenerator2.default.wrap(function _callee5$(_context5) {
                  while (1) {
                    switch (_context5.prev = _context5.next) {
                      case 0:
                        _context5.next = 2;
                        return this._initializedPromise;

                      case 2:
                        val = this.file[name];
                        return _context5.abrupt('return', val !== undefined ? val : defaultValue);

                      case 4:
                      case 'end':
                        return _context5.stop();
                    }
                  }
                }, _callee5, this);
              }));

              function get(_x5, _x6) {
                return _ref5.apply(this, arguments);
              }

              return get;
            }()
          }, {
            key: 'getMultiple',
            value: function () {
              var _ref6 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee6(properties) {
                var values, name, val;
                return _regenerator2.default.wrap(function _callee6$(_context6) {
                  while (1) {
                    switch (_context6.prev = _context6.next) {
                      case 0:
                        _context6.next = 2;
                        return this._initializedPromise;

                      case 2:
                        values = Object.create(null);

                        for (name in properties) {
                          val = this.file[name];

                          values[name] = val !== undefined ? val : properties[name];
                        }
                        return _context6.abrupt('return', values);

                      case 5:
                      case 'end':
                        return _context6.stop();
                    }
                  }
                }, _callee6, this);
              }));

              function getMultiple(_x7) {
                return _ref6.apply(this, arguments);
              }

              return getMultiple;
            }()
          }]);

          return ViewHistory;
        }();

        exports.ViewHistory = ViewHistory;

        /***/ }),
      /* 38 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.GenericCom = undefined;

        var _regenerator = __webpack_require__(2);

        var _regenerator2 = _interopRequireDefault(_regenerator);

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _app = __webpack_require__(1);

        var _preferences = __webpack_require__(39);

        var _download_manager = __webpack_require__(40);

        var _genericl10n = __webpack_require__(41);

        function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

        function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

        function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

        ;
        var GenericCom = {};

        var GenericPreferences = function (_BasePreferences) {
          _inherits(GenericPreferences, _BasePreferences);

          function GenericPreferences() {
            _classCallCheck(this, GenericPreferences);

            return _possibleConstructorReturn(this, (GenericPreferences.__proto__ || Object.getPrototypeOf(GenericPreferences)).apply(this, arguments));
          }

          _createClass(GenericPreferences, [{
            key: '_writeToStorage',
            value: function () {
              var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee(prefObj) {
                return _regenerator2.default.wrap(function _callee$(_context) {
                  while (1) {
                    switch (_context.prev = _context.next) {
                      case 0:
                        localStorage.setItem('pdfjs.preferences', JSON.stringify(prefObj));

                      case 1:
                      case 'end':
                        return _context.stop();
                    }
                  }
                }, _callee, this);
              }));

              function _writeToStorage(_x) {
                return _ref.apply(this, arguments);
              }

              return _writeToStorage;
            }()
          }, {
            key: '_readFromStorage',
            value: function () {
              var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2(prefObj) {
                return _regenerator2.default.wrap(function _callee2$(_context2) {
                  while (1) {
                    switch (_context2.prev = _context2.next) {
                      case 0:
                        return _context2.abrupt('return', JSON.parse(localStorage.getItem('pdfjs.preferences')));

                      case 1:
                      case 'end':
                        return _context2.stop();
                    }
                  }
                }, _callee2, this);
              }));

              function _readFromStorage(_x2) {
                return _ref2.apply(this, arguments);
              }

              return _readFromStorage;
            }()
          }]);

          return GenericPreferences;
        }(_preferences.BasePreferences);

        var GenericExternalServices = Object.create(_app.DefaultExternalServices);
        GenericExternalServices.createDownloadManager = function (options) {
          return new _download_manager.DownloadManager(options);
        };
        GenericExternalServices.createPreferences = function () {
          return new GenericPreferences();
        };
        GenericExternalServices.createL10n = function (_ref3) {
          var _ref3$locale = _ref3.locale,
              locale = _ref3$locale === undefined ? 'en-US' : _ref3$locale;

          return new _genericl10n.GenericL10n(locale);
        };
        _app.PDFViewerApplication.externalServices = GenericExternalServices;
        exports.GenericCom = GenericCom;

        /***/ }),
      /* 39 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.BasePreferences = undefined;

        var _regenerator = __webpack_require__(2);

        var _regenerator2 = _interopRequireDefault(_regenerator);

        var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

        function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var defaultPreferences = null;
        function getDefaultPreferences() {
          if (!defaultPreferences) {
            defaultPreferences = Promise.resolve({
              "showPreviousViewOnLoad": true,
              "defaultZoomValue": "",
              "sidebarViewOnLoad": 0,
              "cursorToolOnLoad": 0,
              "enableWebGL": false,
              "eventBusDispatchToDOM": false,
              "pdfBugEnabled": false,
              "disableRange": false,
              "disableStream": false,
              "disableAutoFetch": false,
              "disableFontFace": false,
              "textLayerMode": 1,
              "useOnlyCssZoom": false,
              "externalLinkTarget": 0,
              "renderer": "canvas",
              "renderInteractiveForms": false,
              "enablePrintAutoRotate": false,
              "disablePageMode": false,
              "disablePageLabels": false,
              "scrollModeOnLoad": 0,
              "spreadModeOnLoad": 0
            });
          }
          return defaultPreferences;
        }

        var BasePreferences = function () {
          function BasePreferences() {
            var _this = this;

            _classCallCheck(this, BasePreferences);

            if (this.constructor === BasePreferences) {
              throw new Error('Cannot initialize BasePreferences.');
            }
            this.prefs = null;
            this._initializedPromise = getDefaultPreferences().then(function (defaults) {
              Object.defineProperty(_this, 'defaults', {
                value: Object.freeze(defaults),
                writable: false,
                enumerable: true,
                configurable: false
              });
              _this.prefs = Object.assign(Object.create(null), defaults);
              return _this._readFromStorage(defaults);
            }).then(function (prefs) {
              if (!prefs) {
                return;
              }
              for (var name in prefs) {
                var defaultValue = _this.defaults[name],
                    prefValue = prefs[name];
                if (defaultValue === undefined || (typeof prefValue === "undefined" ? "undefined" : _typeof(prefValue)) !== (typeof defaultValue === "undefined" ? "undefined" : _typeof(defaultValue))) {
                  continue;
                }
                _this.prefs[name] = prefValue;
              }
            });
          }

          _createClass(BasePreferences, [{
            key: "_writeToStorage",
            value: function () {
              var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee(prefObj) {
                return _regenerator2.default.wrap(function _callee$(_context) {
                  while (1) {
                    switch (_context.prev = _context.next) {
                      case 0:
                        throw new Error('Not implemented: _writeToStorage');

                      case 1:
                      case "end":
                        return _context.stop();
                    }
                  }
                }, _callee, this);
              }));

              function _writeToStorage(_x) {
                return _ref.apply(this, arguments);
              }

              return _writeToStorage;
            }()
          }, {
            key: "_readFromStorage",
            value: function () {
              var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2(prefObj) {
                return _regenerator2.default.wrap(function _callee2$(_context2) {
                  while (1) {
                    switch (_context2.prev = _context2.next) {
                      case 0:
                        throw new Error('Not implemented: _readFromStorage');

                      case 1:
                      case "end":
                        return _context2.stop();
                    }
                  }
                }, _callee2, this);
              }));

              function _readFromStorage(_x2) {
                return _ref2.apply(this, arguments);
              }

              return _readFromStorage;
            }()
          }, {
            key: "reset",
            value: function () {
              var _ref3 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee3() {
                return _regenerator2.default.wrap(function _callee3$(_context3) {
                  while (1) {
                    switch (_context3.prev = _context3.next) {
                      case 0:
                        _context3.next = 2;
                        return this._initializedPromise;

                      case 2:
                        this.prefs = Object.assign(Object.create(null), this.defaults);
                        return _context3.abrupt("return", this._writeToStorage(this.defaults));

                      case 4:
                      case "end":
                        return _context3.stop();
                    }
                  }
                }, _callee3, this);
              }));

              function reset() {
                return _ref3.apply(this, arguments);
              }

              return reset;
            }()
          }, {
            key: "set",
            value: function () {
              var _ref4 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee4(name, value) {
                var defaultValue, valueType, defaultType;
                return _regenerator2.default.wrap(function _callee4$(_context4) {
                  while (1) {
                    switch (_context4.prev = _context4.next) {
                      case 0:
                        _context4.next = 2;
                        return this._initializedPromise;

                      case 2:
                        defaultValue = this.defaults[name];

                        if (!(defaultValue === undefined)) {
                          _context4.next = 7;
                          break;
                        }

                        throw new Error("Set preference: \"" + name + "\" is undefined.");

                      case 7:
                        if (!(value === undefined)) {
                          _context4.next = 9;
                          break;
                        }

                        throw new Error('Set preference: no value is specified.');

                      case 9:
                        valueType = typeof value === "undefined" ? "undefined" : _typeof(value);
                        defaultType = typeof defaultValue === "undefined" ? "undefined" : _typeof(defaultValue);

                        if (!(valueType !== defaultType)) {
                          _context4.next = 19;
                          break;
                        }

                        if (!(valueType === 'number' && defaultType === 'string')) {
                          _context4.next = 16;
                          break;
                        }

                        value = value.toString();
                        _context4.next = 17;
                        break;

                      case 16:
                        throw new Error("Set preference: \"" + value + "\" is a " + valueType + ", " + ("expected a " + defaultType + "."));

                      case 17:
                        _context4.next = 21;
                        break;

                      case 19:
                        if (!(valueType === 'number' && !Number.isInteger(value))) {
                          _context4.next = 21;
                          break;
                        }

                        throw new Error("Set preference: \"" + value + "\" must be an integer.");

                      case 21:
                        this.prefs[name] = value;
                        return _context4.abrupt("return", this._writeToStorage(this.prefs));

                      case 23:
                      case "end":
                        return _context4.stop();
                    }
                  }
                }, _callee4, this);
              }));

              function set(_x3, _x4) {
                return _ref4.apply(this, arguments);
              }

              return set;
            }()
          }, {
            key: "get",
            value: function () {
              var _ref5 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee5(name) {
                var defaultValue, prefValue;
                return _regenerator2.default.wrap(function _callee5$(_context5) {
                  while (1) {
                    switch (_context5.prev = _context5.next) {
                      case 0:
                        _context5.next = 2;
                        return this._initializedPromise;

                      case 2:
                        defaultValue = this.defaults[name];

                        if (!(defaultValue === undefined)) {
                          _context5.next = 7;
                          break;
                        }

                        throw new Error("Get preference: \"" + name + "\" is undefined.");

                      case 7:
                        prefValue = this.prefs[name];

                        if (!(prefValue !== undefined)) {
                          _context5.next = 10;
                          break;
                        }

                        return _context5.abrupt("return", prefValue);

                      case 10:
                        return _context5.abrupt("return", defaultValue);

                      case 11:
                      case "end":
                        return _context5.stop();
                    }
                  }
                }, _callee5, this);
              }));

              function get(_x5) {
                return _ref5.apply(this, arguments);
              }

              return get;
            }()
          }, {
            key: "getAll",
            value: function () {
              var _ref6 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee6() {
                return _regenerator2.default.wrap(function _callee6$(_context6) {
                  while (1) {
                    switch (_context6.prev = _context6.next) {
                      case 0:
                        _context6.next = 2;
                        return this._initializedPromise;

                      case 2:
                        return _context6.abrupt("return", Object.assign(Object.create(null), this.defaults, this.prefs));

                      case 3:
                      case "end":
                        return _context6.stop();
                    }
                  }
                }, _callee6, this);
              }));

              function getAll() {
                return _ref6.apply(this, arguments);
              }

              return getAll;
            }()
          }]);

          return BasePreferences;
        }();

        exports.BasePreferences = BasePreferences;

        /***/ }),
      /* 40 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.DownloadManager = undefined;

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        var _pdfjsLib = __webpack_require__(7);

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        ;
        var DISABLE_CREATE_OBJECT_URL = _pdfjsLib.apiCompatibilityParams.disableCreateObjectURL || false;
        function _download(blobUrl, filename) {
          var a = document.createElement('a');
          if (!a.click) {
            throw new Error('DownloadManager: "a.click()" is not supported.');
          }
          a.href = blobUrl;
          a.target = '_parent';
          if ('download' in a) {
            a.download = filename;
          }
          (document.body || document.documentElement).appendChild(a);
          a.click();
          a.remove();
        }

        var DownloadManager = function () {
          function DownloadManager(_ref) {
            var _ref$disableCreateObj = _ref.disableCreateObjectURL,
                disableCreateObjectURL = _ref$disableCreateObj === undefined ? DISABLE_CREATE_OBJECT_URL : _ref$disableCreateObj;

            _classCallCheck(this, DownloadManager);

            this.disableCreateObjectURL = disableCreateObjectURL;
          }

          _createClass(DownloadManager, [{
            key: 'downloadUrl',
            value: function downloadUrl(url, filename) {
              if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, 'http://example.com')) {
                return;
              }
              _download(url + '#pdfjs.action=download', filename);
            }
          }, {
            key: 'downloadData',
            value: function downloadData(data, filename, contentType) {
              if (navigator.msSaveBlob) {
                return navigator.msSaveBlob(new Blob([data], { type: contentType }), filename);
              }
              var blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, this.disableCreateObjectURL);
              _download(blobUrl, filename);
            }
          }, {
            key: 'download',
            value: function download(blob, url, filename) {
              if (navigator.msSaveBlob) {
                if (!navigator.msSaveBlob(blob, filename)) {
                  this.downloadUrl(url, filename);
                }
                return;
              }
              if (this.disableCreateObjectURL) {
                this.downloadUrl(url, filename);
                return;
              }
              var blobUrl = _pdfjsLib.URL.createObjectURL(blob);
              _download(blobUrl, filename);
            }
          }]);

          return DownloadManager;
        }();

        exports.DownloadManager = DownloadManager;

        /***/ }),
      /* 41 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.GenericL10n = undefined;

        var _regenerator = __webpack_require__(2);

        var _regenerator2 = _interopRequireDefault(_regenerator);

        var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

        __webpack_require__(42);

        function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

        function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

        function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

        var webL10n = document.webL10n;

        var GenericL10n = function () {
          function GenericL10n(lang) {
            _classCallCheck(this, GenericL10n);

            this._lang = lang;
            this._ready = new Promise(function (resolve, reject) {
              webL10n.setLanguage(lang, function () {
                resolve(webL10n);
              });
            });
          }

          _createClass(GenericL10n, [{
            key: 'getLanguage',
            value: function () {
              var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() {
                var l10n;
                return _regenerator2.default.wrap(function _callee$(_context) {
                  while (1) {
                    switch (_context.prev = _context.next) {
                      case 0:
                        _context.next = 2;
                        return this._ready;

                      case 2:
                        l10n = _context.sent;
                        return _context.abrupt('return', l10n.getLanguage());

                      case 4:
                      case 'end':
                        return _context.stop();
                    }
                  }
                }, _callee, this);
              }));

              function getLanguage() {
                return _ref.apply(this, arguments);
              }

              return getLanguage;
            }()
          }, {
            key: 'getDirection',
            value: function () {
              var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() {
                var l10n;
                return _regenerator2.default.wrap(function _callee2$(_context2) {
                  while (1) {
                    switch (_context2.prev = _context2.next) {
                      case 0:
                        _context2.next = 2;
                        return this._ready;

                      case 2:
                        l10n = _context2.sent;
                        return _context2.abrupt('return', l10n.getDirection());

                      case 4:
                      case 'end':
                        return _context2.stop();
                    }
                  }
                }, _callee2, this);
              }));

              function getDirection() {
                return _ref2.apply(this, arguments);
              }

              return getDirection;
            }()
          }, {
            key: 'get',
            value: function () {
              var _ref3 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee3(property, args, fallback) {
                var l10n;
                return _regenerator2.default.wrap(function _callee3$(_context3) {
                  while (1) {
                    switch (_context3.prev = _context3.next) {
                      case 0:
                        _context3.next = 2;
                        return this._ready;

                      case 2:
                        l10n = _context3.sent;
                        return _context3.abrupt('return', l10n.get(property, args, fallback));

                      case 4:
                      case 'end':
                        return _context3.stop();
                    }
                  }
                }, _callee3, this);
              }));

              function get(_x, _x2, _x3) {
                return _ref3.apply(this, arguments);
              }

              return get;
            }()
          }, {
            key: 'translate',
            value: function () {
              var _ref4 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee4(element) {
                var l10n;
                return _regenerator2.default.wrap(function _callee4$(_context4) {
                  while (1) {
                    switch (_context4.prev = _context4.next) {
                      case 0:
                        _context4.next = 2;
                        return this._ready;

                      case 2:
                        l10n = _context4.sent;
                        return _context4.abrupt('return', l10n.translate(element));

                      case 4:
                      case 'end':
                        return _context4.stop();
                    }
                  }
                }, _callee4, this);
              }));

              function translate(_x4) {
                return _ref4.apply(this, arguments);
              }

              return translate;
            }()
          }]);

          return GenericL10n;
        }();

        exports.GenericL10n = GenericL10n;

        /***/ }),
      /* 42 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        document.webL10n = function (window, document, undefined) {
          var gL10nData = {};
          var gTextData = '';
          var gTextProp = 'textContent';
          var gLanguage = '';
          var gMacros = {};
          var gReadyState = 'loading';
          var gAsyncResourceLoading = true;
          function getL10nResourceLinks() {
            return document.querySelectorAll('link[type="application/l10n"]');
          }
          function getL10nDictionary() {
            var script = document.querySelector('script[type="application/l10n"]');
            return script ? JSON.parse(script.innerHTML) : null;
          }
          function getTranslatableChildren(element) {
            return element ? element.querySelectorAll('*[data-l10n-id]') : [];
          }
          function getL10nAttributes(element) {
            if (!element) return {};
            var l10nId = element.getAttribute('data-l10n-id');
            var l10nArgs = element.getAttribute('data-l10n-args');
            var args = {};
            if (l10nArgs) {
              try {
                args = JSON.parse(l10nArgs);
              } catch (e) {
                console.warn('could not parse arguments for #' + l10nId);
              }
            }
            return {
              id: l10nId,
              args: args
            };
          }
          function fireL10nReadyEvent(lang) {
            var evtObject = document.createEvent('Event');
            evtObject.initEvent('localized', true, false);
            evtObject.language = lang;
            document.dispatchEvent(evtObject);
          }
          function xhrLoadText(url, onSuccess, onFailure) {
            onSuccess = onSuccess || function _onSuccess(data) {};
            onFailure = onFailure || function _onFailure() {};
            var xhr = new XMLHttpRequest();
            xhr.open('GET', url, gAsyncResourceLoading);
            if (xhr.overrideMimeType) {
              xhr.overrideMimeType('text/plain; charset=utf-8');
            }
            xhr.onreadystatechange = function () {
              if (xhr.readyState == 4) {
                if (xhr.status == 200 || xhr.status === 0) {
                  onSuccess(xhr.responseText);
                } else {
                  onFailure();
                }
              }
            };
            xhr.onerror = onFailure;
            xhr.ontimeout = onFailure;
            try {
              xhr.send(null);
            } catch (e) {
              onFailure();
            }
          }
          function parseResource(href, lang, successCallback, failureCallback) {
            var baseURL = href.replace(/[^\/]*$/, '') || './';
            function evalString(text) {
              if (text.lastIndexOf('\\') < 0) return text;
              return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'");
            }
            function parseProperties(text, parsedPropertiesCallback) {
              var dictionary = {};
              var reBlank = /^\s*|\s*$/;
              var reComment = /^\s*#|^\s*$/;
              var reSection = /^\s*\[(.*)\]\s*$/;
              var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
              var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
              function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
                var entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
                var currentLang = '*';
                var genericLang = lang.split('-', 1)[0];
                var skipLang = false;
                var match = '';
                function nextEntry() {
                  while (true) {
                    if (!entries.length) {
                      parsedRawLinesCallback();
                      return;
                    }
                    var line = entries.shift();
                    if (reComment.test(line)) continue;
                    if (extendedSyntax) {
                      match = reSection.exec(line);
                      if (match) {
                        currentLang = match[1].toLowerCase();
                        skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;
                        continue;
                      } else if (skipLang) {
                        continue;
                      }
                      match = reImport.exec(line);
                      if (match) {
                        loadImport(baseURL + match[1], nextEntry);
                        return;
                      }
                    }
                    var tmp = line.match(reSplit);
                    if (tmp && tmp.length == 3) {
                      dictionary[tmp[1]] = evalString(tmp[2]);
                    }
                  }
                }
                nextEntry();
              }
              function loadImport(url, callback) {
                xhrLoadText(url, function (content) {
                  parseRawLines(content, false, callback);
                }, function () {
                  console.warn(url + ' not found.');
                  callback();
                });
              }
              parseRawLines(text, true, function () {
                parsedPropertiesCallback(dictionary);
              });
            }
            xhrLoadText(href, function (response) {
              gTextData += response;
              parseProperties(response, function (data) {
                for (var key in data) {
                  var id,
                      prop,
                      index = key.lastIndexOf('.');
                  if (index > 0) {
                    id = key.substring(0, index);
                    prop = key.substring(index + 1);
                  } else {
                    id = key;
                    prop = gTextProp;
                  }
                  if (!gL10nData[id]) {
                    gL10nData[id] = {};
                  }
                  gL10nData[id][prop] = data[key];
                }
                if (successCallback) {
                  successCallback();
                }
              });
            }, failureCallback);
          }
          function loadLocale(lang, callback) {
            if (lang) {
              lang = lang.toLowerCase();
            }
            callback = callback || function _callback() {};
            clear();
            gLanguage = lang;
            var langLinks = getL10nResourceLinks();
            var langCount = langLinks.length;
            if (langCount === 0) {
              var dict = getL10nDictionary();
              if (dict && dict.locales && dict.default_locale) {
                console.log('using the embedded JSON directory, early way out');
                gL10nData = dict.locales[lang];
                if (!gL10nData) {
                  var defaultLocale = dict.default_locale.toLowerCase();
                  for (var anyCaseLang in dict.locales) {
                    anyCaseLang = anyCaseLang.toLowerCase();
                    if (anyCaseLang === lang) {
                      gL10nData = dict.locales[lang];
                      break;
                    } else if (anyCaseLang === defaultLocale) {
                      gL10nData = dict.locales[defaultLocale];
                    }
                  }
                }
                callback();
              } else {
                console.log('no resource to load, early way out');
              }
              fireL10nReadyEvent(lang);
              gReadyState = 'complete';
              return;
            }
            var onResourceLoaded = null;
            var gResourceCount = 0;
            onResourceLoaded = function onResourceLoaded() {
              gResourceCount++;
              if (gResourceCount >= langCount) {
                callback();
                fireL10nReadyEvent(lang);
                gReadyState = 'complete';
              }
            };
            function L10nResourceLink(link) {
              var href = link.href;
              this.load = function (lang, callback) {
                parseResource(href, lang, callback, function () {
                  console.warn(href + ' not found.');
                  console.warn('"' + lang + '" resource not found');
                  gLanguage = '';
                  callback();
                });
              };
            }
            for (var i = 0; i < langCount; i++) {
              var resource = new L10nResourceLink(langLinks[i]);
              resource.load(lang, onResourceLoaded);
            }
          }
          function clear() {
            gL10nData = {};
            gTextData = '';
            gLanguage = '';
          }
          function getPluralRules(lang) {
            var locales2rules = {
              'af': 3,
              'ak': 4,
              'am': 4,
              'ar': 1,
              'asa': 3,
              'az': 0,
              'be': 11,
              'bem': 3,
              'bez': 3,
              'bg': 3,
              'bh': 4,
              'bm': 0,
              'bn': 3,
              'bo': 0,
              'br': 20,
              'brx': 3,
              'bs': 11,
              'ca': 3,
              'cgg': 3,
              'chr': 3,
              'cs': 12,
              'cy': 17,
              'da': 3,
              'de': 3,
              'dv': 3,
              'dz': 0,
              'ee': 3,
              'el': 3,
              'en': 3,
              'eo': 3,
              'es': 3,
              'et': 3,
              'eu': 3,
              'fa': 0,
              'ff': 5,
              'fi': 3,
              'fil': 4,
              'fo': 3,
              'fr': 5,
              'fur': 3,
              'fy': 3,
              'ga': 8,
              'gd': 24,
              'gl': 3,
              'gsw': 3,
              'gu': 3,
              'guw': 4,
              'gv': 23,
              'ha': 3,
              'haw': 3,
              'he': 2,
              'hi': 4,
              'hr': 11,
              'hu': 0,
              'id': 0,
              'ig': 0,
              'ii': 0,
              'is': 3,
              'it': 3,
              'iu': 7,
              'ja': 0,
              'jmc': 3,
              'jv': 0,
              'ka': 0,
              'kab': 5,
              'kaj': 3,
              'kcg': 3,
              'kde': 0,
              'kea': 0,
              'kk': 3,
              'kl': 3,
              'km': 0,
              'kn': 0,
              'ko': 0,
              'ksb': 3,
              'ksh': 21,
              'ku': 3,
              'kw': 7,
              'lag': 18,
              'lb': 3,
              'lg': 3,
              'ln': 4,
              'lo': 0,
              'lt': 10,
              'lv': 6,
              'mas': 3,
              'mg': 4,
              'mk': 16,
              'ml': 3,
              'mn': 3,
              'mo': 9,
              'mr': 3,
              'ms': 0,
              'mt': 15,
              'my': 0,
              'nah': 3,
              'naq': 7,
              'nb': 3,
              'nd': 3,
              'ne': 3,
              'nl': 3,
              'nn': 3,
              'no': 3,
              'nr': 3,
              'nso': 4,
              'ny': 3,
              'nyn': 3,
              'om': 3,
              'or': 3,
              'pa': 3,
              'pap': 3,
              'pl': 13,
              'ps': 3,
              'pt': 3,
              'rm': 3,
              'ro': 9,
              'rof': 3,
              'ru': 11,
              'rwk': 3,
              'sah': 0,
              'saq': 3,
              'se': 7,
              'seh': 3,
              'ses': 0,
              'sg': 0,
              'sh': 11,
              'shi': 19,
              'sk': 12,
              'sl': 14,
              'sma': 7,
              'smi': 7,
              'smj': 7,
              'smn': 7,
              'sms': 7,
              'sn': 3,
              'so': 3,
              'sq': 3,
              'sr': 11,
              'ss': 3,
              'ssy': 3,
              'st': 3,
              'sv': 3,
              'sw': 3,
              'syr': 3,
              'ta': 3,
              'te': 3,
              'teo': 3,
              'th': 0,
              'ti': 4,
              'tig': 3,
              'tk': 3,
              'tl': 4,
              'tn': 3,
              'to': 0,
              'tr': 0,
              'ts': 3,
              'tzm': 22,
              'uk': 11,
              'ur': 3,
              've': 3,
              'vi': 0,
              'vun': 3,
              'wa': 4,
              'wae': 3,
              'wo': 0,
              'xh': 3,
              'xog': 3,
              'yo': 0,
              'zh': 0,
              'zu': 3
            };
            function isIn(n, list) {
              return list.indexOf(n) !== -1;
            }
            function isBetween(n, start, end) {
              return start <= n && n <= end;
            }
            var pluralRules = {
              '0': function _(n) {
                return 'other';
              },
              '1': function _(n) {
                if (isBetween(n % 100, 3, 10)) return 'few';
                if (n === 0) return 'zero';
                if (isBetween(n % 100, 11, 99)) return 'many';
                if (n == 2) return 'two';
                if (n == 1) return 'one';
                return 'other';
              },
              '2': function _(n) {
                if (n !== 0 && n % 10 === 0) return 'many';
                if (n == 2) return 'two';
                if (n == 1) return 'one';
                return 'other';
              },
              '3': function _(n) {
                if (n == 1) return 'one';
                return 'other';
              },
              '4': function _(n) {
                if (isBetween(n, 0, 1)) return 'one';
                return 'other';
              },
              '5': function _(n) {
                if (isBetween(n, 0, 2) && n != 2) return 'one';
                return 'other';
              },
              '6': function _(n) {
                if (n === 0) return 'zero';
                if (n % 10 == 1 && n % 100 != 11) return 'one';
                return 'other';
              },
              '7': function _(n) {
                if (n == 2) return 'two';
                if (n == 1) return 'one';
                return 'other';
              },
              '8': function _(n) {
                if (isBetween(n, 3, 6)) return 'few';
                if (isBetween(n, 7, 10)) return 'many';
                if (n == 2) return 'two';
                if (n == 1) return 'one';
                return 'other';
              },
              '9': function _(n) {
                if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';
                if (n == 1) return 'one';
                return 'other';
              },
              '10': function _(n) {
                if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';
                if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';
                return 'other';
              },
              '11': function _(n) {
                if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
                if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';
                if (n % 10 == 1 && n % 100 != 11) return 'one';
                return 'other';
              },
              '12': function _(n) {
                if (isBetween(n, 2, 4)) return 'few';
                if (n == 1) return 'one';
                return 'other';
              },
              '13': function _(n) {
                if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
                if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';
                if (n == 1) return 'one';
                return 'other';
              },
              '14': function _(n) {
                if (isBetween(n % 100, 3, 4)) return 'few';
                if (n % 100 == 2) return 'two';
                if (n % 100 == 1) return 'one';
                return 'other';
              },
              '15': function _(n) {
                if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';
                if (isBetween(n % 100, 11, 19)) return 'many';
                if (n == 1) return 'one';
                return 'other';
              },
              '16': function _(n) {
                if (n % 10 == 1 && n != 11) return 'one';
                return 'other';
              },
              '17': function _(n) {
                if (n == 3) return 'few';
                if (n === 0) return 'zero';
                if (n == 6) return 'many';
                if (n == 2) return 'two';
                if (n == 1) return 'one';
                return 'other';
              },
              '18': function _(n) {
                if (n === 0) return 'zero';
                if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';
                return 'other';
              },
              '19': function _(n) {
                if (isBetween(n, 2, 10)) return 'few';
                if (isBetween(n, 0, 1)) return 'one';
                return 'other';
              },
              '20': function _(n) {
                if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few';
                if (n % 1000000 === 0 && n !== 0) return 'many';
                if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two';
                if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one';
                return 'other';
              },
              '21': function _(n) {
                if (n === 0) return 'zero';
                if (n == 1) return 'one';
                return 'other';
              },
              '22': function _(n) {
                if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';
                return 'other';
              },
              '23': function _(n) {
                if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';
                return 'other';
              },
              '24': function _(n) {
                if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';
                if (isIn(n, [2, 12])) return 'two';
                if (isIn(n, [1, 11])) return 'one';
                return 'other';
              }
            };
            var index = locales2rules[lang.replace(/-.*$/, '')];
            if (!(index in pluralRules)) {
              console.warn('plural form unknown for [' + lang + ']');
              return function () {
                return 'other';
              };
            }
            return pluralRules[index];
          }
          gMacros.plural = function (str, param, key, prop) {
            var n = parseFloat(param);
            if (isNaN(n)) return str;
            if (prop != gTextProp) return str;
            if (!gMacros._pluralRules) {
              gMacros._pluralRules = getPluralRules(gLanguage);
            }
            var index = '[' + gMacros._pluralRules(n) + ']';
            if (n === 0 && key + '[zero]' in gL10nData) {
              str = gL10nData[key + '[zero]'][prop];
            } else if (n == 1 && key + '[one]' in gL10nData) {
              str = gL10nData[key + '[one]'][prop];
            } else if (n == 2 && key + '[two]' in gL10nData) {
              str = gL10nData[key + '[two]'][prop];
            } else if (key + index in gL10nData) {
              str = gL10nData[key + index][prop];
            } else if (key + '[other]' in gL10nData) {
              str = gL10nData[key + '[other]'][prop];
            }
            return str;
          };
          function getL10nData(key, args, fallback) {
            var data = gL10nData[key];
            if (!data) {
              console.warn('#' + key + ' is undefined.');
              if (!fallback) {
                return null;
              }
              data = fallback;
            }
            var rv = {};
            for (var prop in data) {
              var str = data[prop];
              str = substIndexes(str, args, key, prop);
              str = substArguments(str, args, key);
              rv[prop] = str;
            }
            return rv;
          }
          function substIndexes(str, args, key, prop) {
            var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
            var reMatch = reIndex.exec(str);
            if (!reMatch || !reMatch.length) return str;
            var macroName = reMatch[1];
            var paramName = reMatch[2];
            var param;
            if (args && paramName in args) {
              param = args[paramName];
            } else if (paramName in gL10nData) {
              param = gL10nData[paramName];
            }
            if (macroName in gMacros) {
              var macro = gMacros[macroName];
              str = macro(str, param, key, prop);
            }
            return str;
          }
          function substArguments(str, args, key) {
            var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
            return str.replace(reArgs, function (matched_text, arg) {
              if (args && arg in args) {
                return args[arg];
              }
              if (arg in gL10nData) {
                return gL10nData[arg];
              }
              console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
              return matched_text;
            });
          }
          function translateElement(element) {
            var l10n = getL10nAttributes(element);
            if (!l10n.id) return;
            var data = getL10nData(l10n.id, l10n.args);
            if (!data) {
              console.warn('#' + l10n.id + ' is undefined.');
              return;
            }
            if (data[gTextProp]) {
              if (getChildElementCount(element) === 0) {
                element[gTextProp] = data[gTextProp];
              } else {
                var children = element.childNodes;
                var found = false;
                for (var i = 0, l = children.length; i < l; i++) {
                  if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
                    if (found) {
                      children[i].nodeValue = '';
                    } else {
                      children[i].nodeValue = data[gTextProp];
                      found = true;
                    }
                  }
                }
                if (!found) {
                  var textNode = document.createTextNode(data[gTextProp]);
                  element.insertBefore(textNode, element.firstChild);
                }
              }
              delete data[gTextProp];
            }
            for (var k in data) {
              element[k] = data[k];
            }
          }
          function getChildElementCount(element) {
            if (element.children) {
              return element.children.length;
            }
            if (typeof element.childElementCount !== 'undefined') {
              return element.childElementCount;
            }
            var count = 0;
            for (var i = 0; i < element.childNodes.length; i++) {
              count += element.nodeType === 1 ? 1 : 0;
            }
            return count;
          }
          function translateFragment(element) {
            element = element || document.documentElement;
            var children = getTranslatableChildren(element);
            var elementCount = children.length;
            for (var i = 0; i < elementCount; i++) {
              translateElement(children[i]);
            }
            translateElement(element);
          }
          return {
            get: function get(key, args, fallbackString) {
              var index = key.lastIndexOf('.');
              var prop = gTextProp;
              if (index > 0) {
                prop = key.substring(index + 1);
                key = key.substring(0, index);
              }
              var fallback;
              if (fallbackString) {
                fallback = {};
                fallback[prop] = fallbackString;
              }
              var data = getL10nData(key, args, fallback);
              if (data && prop in data) {
                return data[prop];
              }
              return '{{' + key + '}}';
            },
            getData: function getData() {
              return gL10nData;
            },
            getText: function getText() {
              return gTextData;
            },
            getLanguage: function getLanguage() {
              return gLanguage;
            },
            setLanguage: function setLanguage(lang, callback) {
              loadLocale(lang, function () {
                if (callback) callback();
              });
            },
            getDirection: function getDirection() {
              var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];
              var shortCode = gLanguage.split('-', 1)[0];
              return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';
            },
            translate: translateFragment,
            getReadyState: function getReadyState() {
              return gReadyState;
            },
            ready: function ready(callback) {
              if (!callback) {
                return;
              } else if (gReadyState == 'complete' || gReadyState == 'interactive') {
                window.setTimeout(function () {
                  callback();
                });
              } else if (document.addEventListener) {
                document.addEventListener('localized', function once() {
                  document.removeEventListener('localized', once);
                  callback();
                });
              }
            }
          };
        }(window, document);

        /***/ }),
      /* 43 */
      /***/ (function(module, exports, __webpack_require__) {

        "use strict";


        Object.defineProperty(exports, "__esModule", {
          value: true
        });
        exports.PDFPrintService = undefined;

        var _ui_utils = __webpack_require__(6);

        var _app = __webpack_require__(1);

        var _pdfjsLib = __webpack_require__(7);

        var activeService = null;
        var overlayManager = null;
        function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size) {
          var scratchCanvas = activeService.scratchCanvas;
          var PRINT_RESOLUTION = 150;
          var PRINT_UNITS = PRINT_RESOLUTION / 72.0;
          scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
          scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
          var width = Math.floor(size.width * _ui_utils.CSS_UNITS) + 'px';
          var height = Math.floor(size.height * _ui_utils.CSS_UNITS) + 'px';
          var ctx = scratchCanvas.getContext('2d');
          ctx.save();
          ctx.fillStyle = 'rgb(255, 255, 255)';
          ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
          ctx.restore();
          return pdfDocument.getPage(pageNumber).then(function (pdfPage) {
            var renderContext = {
              canvasContext: ctx,
              transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
              viewport: pdfPage.getViewport(1, size.rotation),
              intent: 'print'
            };
            return pdfPage.render(renderContext).promise;
          }).then(function () {
            return {
              width: width,
              height: height
            };
          });
        }
        function PDFPrintService(pdfDocument, pagesOverview, printContainer, l10n) {
          this.pdfDocument = pdfDocument;
          this.pagesOverview = pagesOverview;
          this.printContainer = printContainer;
          this.l10n = l10n || _ui_utils.NullL10n;
          this.disableCreateObjectURL = pdfDocument.loadingParams['disableCreateObjectURL'];
          this.currentPage = -1;
          this.scratchCanvas = document.createElement('canvas');
        }
        PDFPrintService.prototype = {
          layout: function layout() {
            this.throwIfInactive();
            var body = document.querySelector('body');
            body.setAttribute('data-pdfjsprinting', true);
            var hasEqualPageSizes = this.pagesOverview.every(function (size) {
              return size.width === this.pagesOverview[0].width && size.height === this.pagesOverview[0].height;
            }, this);
            if (!hasEqualPageSizes) {
              console.warn('Not all pages have the same size. The printed ' + 'result may be incorrect!');
            }
            this.pageStyleSheet = document.createElement('style');
            var pageSize = this.pagesOverview[0];
            this.pageStyleSheet.textContent = '@supports ((size:A4) and (size:1pt 1pt)) {' + '@page { size: ' + pageSize.width + 'pt ' + pageSize.height + 'pt;}' + '}';
            body.appendChild(this.pageStyleSheet);
          },
          destroy: function destroy() {
            if (activeService !== this) {
              return;
            }
            this.printContainer.textContent = '';
            if (this.pageStyleSheet) {
              this.pageStyleSheet.remove();
              this.pageStyleSheet = null;
            }
            this.scratchCanvas.width = this.scratchCanvas.height = 0;
            this.scratchCanvas = null;
            activeService = null;
            ensureOverlay().then(function () {
              if (overlayManager.active !== 'printServiceOverlay') {
                return;
              }
              overlayManager.close('printServiceOverlay');
            });
          },
          renderPages: function renderPages() {
            var _this = this;

            var pageCount = this.pagesOverview.length;
            var renderNextPage = function renderNextPage(resolve, reject) {
              _this.throwIfInactive();
              if (++_this.currentPage >= pageCount) {
                renderProgress(pageCount, pageCount, _this.l10n);
                resolve();
                return;
              }
              var index = _this.currentPage;
              renderProgress(index, pageCount, _this.l10n);
              renderPage(_this, _this.pdfDocument, index + 1, _this.pagesOverview[index]).then(_this.useRenderedPage.bind(_this)).then(function () {
                renderNextPage(resolve, reject);
              }, reject);
            };
            return new Promise(renderNextPage);
          },
          useRenderedPage: function useRenderedPage(printItem) {
            this.throwIfInactive();
            var img = document.createElement('img');
            img.style.width = printItem.width;
            img.style.height = printItem.height;
            var scratchCanvas = this.scratchCanvas;
            if ('toBlob' in scratchCanvas && !this.disableCreateObjectURL) {
              scratchCanvas.toBlob(function (blob) {
                img.src = _pdfjsLib.URL.createObjectURL(blob);
              });
            } else {
              img.src = scratchCanvas.toDataURL();
            }
            var wrapper = document.createElement('div');
            wrapper.appendChild(img);
            this.printContainer.appendChild(wrapper);
            return new Promise(function (resolve, reject) {
              img.onload = resolve;
              img.onerror = reject;
            });
          },
          performPrint: function performPrint() {
            var _this2 = this;

            this.throwIfInactive();
            return new Promise(function (resolve) {
              setTimeout(function () {
                if (!_this2.active) {
                  resolve();
                  return;
                }
                print.call(window);
                setTimeout(resolve, 20);
              }, 0);
            });
          },

          get active() {
            return this === activeService;
          },
          throwIfInactive: function throwIfInactive() {
            if (!this.active) {
              throw new Error('This print request was cancelled or completed.');
            }
          }
        };
        var print = window.print;
        window.print = function print() {
          if (activeService) {
            console.warn('Ignored window.print() because of a pending print job.');
            return;
          }
          ensureOverlay().then(function () {
            if (activeService) {
              overlayManager.open('printServiceOverlay');
            }
          });
          try {
            dispatchEvent('beforeprint');
          } finally {
            if (!activeService) {
              console.error('Expected print service to be initialized.');
              ensureOverlay().then(function () {
                if (overlayManager.active === 'printServiceOverlay') {
                  overlayManager.close('printServiceOverlay');
                }
              });
              return;
            }
            var activeServiceOnEntry = activeService;
            activeService.renderPages().then(function () {
              return activeServiceOnEntry.performPrint();
            }).catch(function () {}).then(function () {
              if (activeServiceOnEntry.active) {
                abort();
              }
            });
          }
        };
        function dispatchEvent(eventType) {
          var event = document.createEvent('CustomEvent');
          event.initCustomEvent(eventType, false, false, 'custom');
          window.dispatchEvent(event);
        }
        function abort() {
          if (activeService) {
            activeService.destroy();
            dispatchEvent('afterprint');
          }
        }
        function renderProgress(index, total, l10n) {
          var progressContainer = document.getElementById('printServiceOverlay');
          var progress = Math.round(100 * index / total);
          var progressBar = progressContainer.querySelector('progress');
          var progressPerc = progressContainer.querySelector('.relative-progress');
          progressBar.value = progress;
          l10n.get('print_progress_percent', { progress: progress }, progress + '%').then(function (msg) {
            progressPerc.textContent = msg;
          });
        }
        var hasAttachEvent = !!document.attachEvent;
        window.addEventListener('keydown', function (event) {
          if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
            window.print();
            if (hasAttachEvent) {
              return;
            }
            event.preventDefault();
            if (event.stopImmediatePropagation) {
              event.stopImmediatePropagation();
            } else {
              event.stopPropagation();
            }
            return;
          }
        }, true);
        if (hasAttachEvent) {
          document.attachEvent('onkeydown', function (event) {
            event = event || window.event;
            if (event.keyCode === 80 && event.ctrlKey) {
              event.keyCode = 0;
              return false;
            }
          });
        }
        if ('onbeforeprint' in window) {
          var stopPropagationIfNeeded = function stopPropagationIfNeeded(event) {
            if (event.detail !== 'custom' && event.stopImmediatePropagation) {
              event.stopImmediatePropagation();
            }
          };
          window.addEventListener('beforeprint', stopPropagationIfNeeded);
          window.addEventListener('afterprint', stopPropagationIfNeeded);
        }
        var overlayPromise = void 0;
        function ensureOverlay() {
          if (!overlayPromise) {
            overlayManager = _app.PDFViewerApplication.overlayManager;
            if (!overlayManager) {
              throw new Error('The overlay manager has not yet been initialized.');
            }
            overlayPromise = overlayManager.register('printServiceOverlay', document.getElementById('printServiceOverlay'), abort, true);
            document.getElementById('printCancel').onclick = abort;
          }
          return overlayPromise;
        }
        _app.PDFPrintServiceFactory.instance = {
          supportsPrinting: true,
          createPrintService: function createPrintService(pdfDocument, pagesOverview, printContainer, l10n) {
            if (activeService) {
              throw new Error('The print service is created and active.');
            }
            activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer, l10n);
            return activeService;
          }
        };
        exports.PDFPrintService = PDFPrintService;

        /***/ })
      /******/ ]);
//# sourceMappingURL=viewer.js.map
//补充  mt




//
